Home / 2,487.16-3,432.31-1,424.97

Finding the Fourth Proportional to 2,487.16, 3,432.31 and 1,424.97

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Solution

The fourth proportional to 2,487.16, 3,432.31 and 1,424.97 is: 1,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.16 : 3,432.31 = 1,424.97 : x
  2. Step 2: Convert to fraction form
    2,487.16/3,432.31 = 1,424.97/x
  3. Step 3: Cross multiply
    2,487.16x = 3,432.31 × 1,424.97
  4. Step 4: Simplify right side
    2,487.16x = 4,890,927.07
  5. Step 5: Solve for x
    x = 4,890,927.07/2,487.16
  6. Step 6: Final answer
    x = 1,966.47

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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.