Home / 3,615.92-5,424.67-1,537.70

Finding the Fourth Proportional to 3,615.92, 5,424.67 and 1,537.70

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Solution

The fourth proportional to 3,615.92, 5,424.67 and 1,537.70 is: 2,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.92 : 5,424.67 = 1,537.70 : x
  2. Step 2: Convert to fraction form
    3,615.92/5,424.67 = 1,537.70/x
  3. Step 3: Cross multiply
    3,615.92x = 5,424.67 × 1,537.70
  4. Step 4: Simplify right side
    3,615.92x = 8,341,520.37
  5. Step 5: Solve for x
    x = 8,341,520.37/3,615.92
  6. Step 6: Final answer
    x = 2,306.89

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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.