Home / 3,207.38-4,426.25-1,810.13

Finding the Fourth Proportional to 3,207.38, 4,426.25 and 1,810.13

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Solution

The fourth proportional to 3,207.38, 4,426.25 and 1,810.13 is: 2,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.38 : 4,426.25 = 1,810.13 : x
  2. Step 2: Convert to fraction form
    3,207.38/4,426.25 = 1,810.13/x
  3. Step 3: Cross multiply
    3,207.38x = 4,426.25 × 1,810.13
  4. Step 4: Simplify right side
    3,207.38x = 8,012,056.73
  5. Step 5: Solve for x
    x = 8,012,056.73/3,207.38
  6. Step 6: Final answer
    x = 2,498.01

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Half scale
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Double scale
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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.