Home / 3,133.38-4,323.69-1,807.08

Finding the Fourth Proportional to 3,133.38, 4,323.69 and 1,807.08

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Solution

The fourth proportional to 3,133.38, 4,323.69 and 1,807.08 is: 2,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.38 : 4,323.69 = 1,807.08 : x
  2. Step 2: Convert to fraction form
    3,133.38/4,323.69 = 1,807.08/x
  3. Step 3: Cross multiply
    3,133.38x = 4,323.69 × 1,807.08
  4. Step 4: Simplify right side
    3,133.38x = 7,813,253.73
  5. Step 5: Solve for x
    x = 7,813,253.73/3,133.38
  6. Step 6: Final answer
    x = 2,493.55

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Find fourth proportional to 1,566.69, 2,161.85 and 903.54
Half scale
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Double scale
Find fourth proportional to 3,134.38, 4,325.07 and 1,808.08
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.