Home / 3,951.13-5,452.29-2,182.72

Finding the Fourth Proportional to 3,951.13, 5,452.29 and 2,182.72

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Solution

The fourth proportional to 3,951.13, 5,452.29 and 2,182.72 is: 3,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.13 : 5,452.29 = 2,182.72 : x
  2. Step 2: Convert to fraction form
    3,951.13/5,452.29 = 2,182.72/x
  3. Step 3: Cross multiply
    3,951.13x = 5,452.29 × 2,182.72
  4. Step 4: Simplify right side
    3,951.13x = 11,900,795.17
  5. Step 5: Solve for x
    x = 11,900,795.17/3,951.13
  6. Step 6: Final answer
    x = 3,012.00

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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.