Home / 3,802.71-5,247.59-2,387.14

Finding the Fourth Proportional to 3,802.71, 5,247.59 and 2,387.14

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Solution

The fourth proportional to 3,802.71, 5,247.59 and 2,387.14 is: 3,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.71 : 5,247.59 = 2,387.14 : x
  2. Step 2: Convert to fraction form
    3,802.71/5,247.59 = 2,387.14/x
  3. Step 3: Cross multiply
    3,802.71x = 5,247.59 × 2,387.14
  4. Step 4: Simplify right side
    3,802.71x = 12,526,706.94
  5. Step 5: Solve for x
    x = 12,526,706.94/3,802.71
  6. Step 6: Final answer
    x = 3,294.15

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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.