Home / 1,685.71-2,523.33-1,542.17

Finding the Fourth Proportional to 1,685.71, 2,523.33 and 1,542.17

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Solution

The fourth proportional to 1,685.71, 2,523.33 and 1,542.17 is: 2,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.71 : 2,523.33 = 1,542.17 : x
  2. Step 2: Convert to fraction form
    1,685.71/2,523.33 = 1,542.17/x
  3. Step 3: Cross multiply
    1,685.71x = 2,523.33 × 1,542.17
  4. Step 4: Simplify right side
    1,685.71x = 3,891,403.83
  5. Step 5: Solve for x
    x = 3,891,403.83/1,685.71
  6. Step 6: Final answer
    x = 2,308.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.