Home / 3,747.56-5,615.42-2,428.98

Finding the Fourth Proportional to 3,747.56, 5,615.42 and 2,428.98

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Solution

The fourth proportional to 3,747.56, 5,615.42 and 2,428.98 is: 3,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.56 : 5,615.42 = 2,428.98 : x
  2. Step 2: Convert to fraction form
    3,747.56/5,615.42 = 2,428.98/x
  3. Step 3: Cross multiply
    3,747.56x = 5,615.42 × 2,428.98
  4. Step 4: Simplify right side
    3,747.56x = 13,639,730.73
  5. Step 5: Solve for x
    x = 13,639,730.73/3,747.56
  6. Step 6: Final answer
    x = 3,639.63

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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.