Home / 3,742.20-5,613.30-3,049.65

Finding the Fourth Proportional to 3,742.20, 5,613.30 and 3,049.65

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Solution

The fourth proportional to 3,742.20, 5,613.30 and 3,049.65 is: 4,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.20 : 5,613.30 = 3,049.65 : x
  2. Step 2: Convert to fraction form
    3,742.20/5,613.30 = 3,049.65/x
  3. Step 3: Cross multiply
    3,742.20x = 5,613.30 × 3,049.65
  4. Step 4: Simplify right side
    3,742.20x = 17,118,600.35
  5. Step 5: Solve for x
    x = 17,118,600.35/3,742.20
  6. Step 6: Final answer
    x = 4,574.48

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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.