Home / 3,743.91-5,615.90-1,663.35

Finding the Fourth Proportional to 3,743.91, 5,615.90 and 1,663.35

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Solution

The fourth proportional to 3,743.91, 5,615.90 and 1,663.35 is: 2,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.91 : 5,615.90 = 1,663.35 : x
  2. Step 2: Convert to fraction form
    3,743.91/5,615.90 = 1,663.35/x
  3. Step 3: Cross multiply
    3,743.91x = 5,615.90 × 1,663.35
  4. Step 4: Simplify right side
    3,743.91x = 9,341,198.95
  5. Step 5: Solve for x
    x = 9,341,198.95/3,743.91
  6. Step 6: Final answer
    x = 2,495.04

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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.