Home / 3,086.74-4,259.46-1,760.19

Finding the Fourth Proportional to 3,086.74, 4,259.46 and 1,760.19

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Solution

The fourth proportional to 3,086.74, 4,259.46 and 1,760.19 is: 2,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.74 : 4,259.46 = 1,760.19 : x
  2. Step 2: Convert to fraction form
    3,086.74/4,259.46 = 1,760.19/x
  3. Step 3: Cross multiply
    3,086.74x = 4,259.46 × 1,760.19
  4. Step 4: Simplify right side
    3,086.74x = 7,497,458.90
  5. Step 5: Solve for x
    x = 7,497,458.90/3,086.74
  6. Step 6: Final answer
    x = 2,428.92

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Half scale
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Double scale
Find fourth proportional to 3,087.74, 4,260.84 and 1,761.19
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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.