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Finding the Fourth Proportional to 3,294.24, 4,943.80 and 1,562.88

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Solution

The fourth proportional to 3,294.24, 4,943.80 and 1,562.88 is: 2,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.24 : 4,943.80 = 1,562.88 : x
  2. Step 2: Convert to fraction form
    3,294.24/4,943.80 = 1,562.88/x
  3. Step 3: Cross multiply
    3,294.24x = 4,943.80 × 1,562.88
  4. Step 4: Simplify right side
    3,294.24x = 7,726,566.14
  5. Step 5: Solve for x
    x = 7,726,566.14/3,294.24
  6. Step 6: Final answer
    x = 2,345.48

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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.