Home / 2,966.28-4,456.32-2,806.85

Finding the Fourth Proportional to 2,966.28, 4,456.32 and 2,806.85

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Solution

The fourth proportional to 2,966.28, 4,456.32 and 2,806.85 is: 4,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.28 : 4,456.32 = 2,806.85 : x
  2. Step 2: Convert to fraction form
    2,966.28/4,456.32 = 2,806.85/x
  3. Step 3: Cross multiply
    2,966.28x = 4,456.32 × 2,806.85
  4. Step 4: Simplify right side
    2,966.28x = 12,508,192.49
  5. Step 5: Solve for x
    x = 12,508,192.49/2,966.28
  6. Step 6: Final answer
    x = 4,216.79

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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.