Home / 3,146.52-4,341.11-1,951.07

Finding the Fourth Proportional to 3,146.52, 4,341.11 and 1,951.07

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Solution

The fourth proportional to 3,146.52, 4,341.11 and 1,951.07 is: 2,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.52 : 4,341.11 = 1,951.07 : x
  2. Step 2: Convert to fraction form
    3,146.52/4,341.11 = 1,951.07/x
  3. Step 3: Cross multiply
    3,146.52x = 4,341.11 × 1,951.07
  4. Step 4: Simplify right side
    3,146.52x = 8,469,811.59
  5. Step 5: Solve for x
    x = 8,469,811.59/3,146.52
  6. Step 6: Final answer
    x = 2,691.81

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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.