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Finding the Fourth Proportional to 1,562.60, 2,344.28 and 832.03

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Solution

The fourth proportional to 1,562.60, 2,344.28 and 832.03 is: 1,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.60 : 2,344.28 = 832.03 : x
  2. Step 2: Convert to fraction form
    1,562.60/2,344.28 = 832.03/x
  3. Step 3: Cross multiply
    1,562.60x = 2,344.28 × 832.03
  4. Step 4: Simplify right side
    1,562.60x = 1,950,501.27
  5. Step 5: Solve for x
    x = 1,950,501.27/1,562.60
  6. Step 6: Final answer
    x = 1,248.24

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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.