Home / 1,562.43-2,154.15-1,001.88

Finding the Fourth Proportional to 1,562.43, 2,154.15 and 1,001.88

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Solution

The fourth proportional to 1,562.43, 2,154.15 and 1,001.88 is: 1,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.43 : 2,154.15 = 1,001.88 : x
  2. Step 2: Convert to fraction form
    1,562.43/2,154.15 = 1,001.88/x
  3. Step 3: Cross multiply
    1,562.43x = 2,154.15 × 1,001.88
  4. Step 4: Simplify right side
    1,562.43x = 2,158,199.80
  5. Step 5: Solve for x
    x = 2,158,199.80/1,562.43
  6. Step 6: Final answer
    x = 1,381.31

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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.