Home / 3,117.55-4,677.24-1,169.91

Finding the Fourth Proportional to 3,117.55, 4,677.24 and 1,169.91

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Solution

The fourth proportional to 3,117.55, 4,677.24 and 1,169.91 is: 1,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.55 : 4,677.24 = 1,169.91 : x
  2. Step 2: Convert to fraction form
    3,117.55/4,677.24 = 1,169.91/x
  3. Step 3: Cross multiply
    3,117.55x = 4,677.24 × 1,169.91
  4. Step 4: Simplify right side
    3,117.55x = 5,471,949.85
  5. Step 5: Solve for x
    x = 5,471,949.85/3,117.55
  6. Step 6: Final answer
    x = 1,755.21

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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.