Home / 3,747.31-5,620.76-1,150.24

Finding the Fourth Proportional to 3,747.31, 5,620.76 and 1,150.24

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Solution

The fourth proportional to 3,747.31, 5,620.76 and 1,150.24 is: 1,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.31 : 5,620.76 = 1,150.24 : x
  2. Step 2: Convert to fraction form
    3,747.31/5,620.76 = 1,150.24/x
  3. Step 3: Cross multiply
    3,747.31x = 5,620.76 × 1,150.24
  4. Step 4: Simplify right side
    3,747.31x = 6,465,217.23
  5. Step 5: Solve for x
    x = 6,465,217.23/3,747.31
  6. Step 6: Final answer
    x = 1,725.30

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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.