Home / 3,141.76-4,337.04-2,261.92

Finding the Fourth Proportional to 3,141.76, 4,337.04 and 2,261.92

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Solution

The fourth proportional to 3,141.76, 4,337.04 and 2,261.92 is: 3,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.76 : 4,337.04 = 2,261.92 : x
  2. Step 2: Convert to fraction form
    3,141.76/4,337.04 = 2,261.92/x
  3. Step 3: Cross multiply
    3,141.76x = 4,337.04 × 2,261.92
  4. Step 4: Simplify right side
    3,141.76x = 9,810,037.52
  5. Step 5: Solve for x
    x = 9,810,037.52/3,141.76
  6. Step 6: Final answer
    x = 3,122.47

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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.