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Finding the Fourth Proportional to 3,505.62, 5,259.29 and 1,040.43

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Solution

The fourth proportional to 3,505.62, 5,259.29 and 1,040.43 is: 1,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.62 : 5,259.29 = 1,040.43 : x
  2. Step 2: Convert to fraction form
    3,505.62/5,259.29 = 1,040.43/x
  3. Step 3: Cross multiply
    3,505.62x = 5,259.29 × 1,040.43
  4. Step 4: Simplify right side
    3,505.62x = 5,471,937.53
  5. Step 5: Solve for x
    x = 5,471,937.53/3,505.62
  6. Step 6: Final answer
    x = 1,560.91

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