Home / 3,747.87-5,621.59-1,150.80

Finding the Fourth Proportional to 3,747.87, 5,621.59 and 1,150.80

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Solution

The fourth proportional to 3,747.87, 5,621.59 and 1,150.80 is: 1,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.87 : 5,621.59 = 1,150.80 : x
  2. Step 2: Convert to fraction form
    3,747.87/5,621.59 = 1,150.80/x
  3. Step 3: Cross multiply
    3,747.87x = 5,621.59 × 1,150.80
  4. Step 4: Simplify right side
    3,747.87x = 6,469,325.77
  5. Step 5: Solve for x
    x = 6,469,325.77/3,747.87
  6. Step 6: Final answer
    x = 1,726.13

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1.5x scale

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.