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Finding the Fourth Proportional to 3,937.54, 5,906.30 and 2,701.20

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Solution

The fourth proportional to 3,937.54, 5,906.30 and 2,701.20 is: 4,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.54 : 5,906.30 = 2,701.20 : x
  2. Step 2: Convert to fraction form
    3,937.54/5,906.30 = 2,701.20/x
  3. Step 3: Cross multiply
    3,937.54x = 5,906.30 × 2,701.20
  4. Step 4: Simplify right side
    3,937.54x = 15,954,082.16
  5. Step 5: Solve for x
    x = 15,954,082.16/3,937.54
  6. Step 6: Final answer
    x = 4,051.79

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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.