Home / 3,060.28-4,228.14-2,132.92

Finding the Fourth Proportional to 3,060.28, 4,228.14 and 2,132.92

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Solution

The fourth proportional to 3,060.28, 4,228.14 and 2,132.92 is: 2,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.28 : 4,228.14 = 2,132.92 : x
  2. Step 2: Convert to fraction form
    3,060.28/4,228.14 = 2,132.92/x
  3. Step 3: Cross multiply
    3,060.28x = 4,228.14 × 2,132.92
  4. Step 4: Simplify right side
    3,060.28x = 9,018,284.37
  5. Step 5: Solve for x
    x = 9,018,284.37/3,060.28
  6. Step 6: Final answer
    x = 2,946.88

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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.