Home / 2,432.13-3,356.31-1,384.19

Finding the Fourth Proportional to 2,432.13, 3,356.31 and 1,384.19

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Solution

The fourth proportional to 2,432.13, 3,356.31 and 1,384.19 is: 1,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.13 : 3,356.31 = 1,384.19 : x
  2. Step 2: Convert to fraction form
    2,432.13/3,356.31 = 1,384.19/x
  3. Step 3: Cross multiply
    2,432.13x = 3,356.31 × 1,384.19
  4. Step 4: Simplify right side
    2,432.13x = 4,645,753.96
  5. Step 5: Solve for x
    x = 4,645,753.96/2,432.13
  6. Step 6: Final answer
    x = 1,910.16

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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.