Home / 3,726.46-5,590.91-1,778.41

Finding the Fourth Proportional to 3,726.46, 5,590.91 and 1,778.41

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Solution

The fourth proportional to 3,726.46, 5,590.91 and 1,778.41 is: 2,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.46 : 5,590.91 = 1,778.41 : x
  2. Step 2: Convert to fraction form
    3,726.46/5,590.91 = 1,778.41/x
  3. Step 3: Cross multiply
    3,726.46x = 5,590.91 × 1,778.41
  4. Step 4: Simplify right side
    3,726.46x = 9,942,930.25
  5. Step 5: Solve for x
    x = 9,942,930.25/3,726.46
  6. Step 6: Final answer
    x = 2,668.20

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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.