Home / 3,431.28-5,146.92-1,701.12

Finding the Fourth Proportional to 3,431.28, 5,146.92 and 1,701.12

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Solution

The fourth proportional to 3,431.28, 5,146.92 and 1,701.12 is: 2,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.28 : 5,146.92 = 1,701.12 : x
  2. Step 2: Convert to fraction form
    3,431.28/5,146.92 = 1,701.12/x
  3. Step 3: Cross multiply
    3,431.28x = 5,146.92 × 1,701.12
  4. Step 4: Simplify right side
    3,431.28x = 8,755,528.55
  5. Step 5: Solve for x
    x = 8,755,528.55/3,431.28
  6. Step 6: Final answer
    x = 2,551.68

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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.