Home / 3,747.12-5,165.37-3,082.74

Finding the Fourth Proportional to 3,747.12, 5,165.37 and 3,082.74

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Solution

The fourth proportional to 3,747.12, 5,165.37 and 3,082.74 is: 4,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.12 : 5,165.37 = 3,082.74 : x
  2. Step 2: Convert to fraction form
    3,747.12/5,165.37 = 3,082.74/x
  3. Step 3: Cross multiply
    3,747.12x = 5,165.37 × 3,082.74
  4. Step 4: Simplify right side
    3,747.12x = 15,923,492.71
  5. Step 5: Solve for x
    x = 15,923,492.71/3,747.12
  6. Step 6: Final answer
    x = 4,249.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.