Home / 2,861.28-4,295.52-2,849.76

Finding the Fourth Proportional to 2,861.28, 4,295.52 and 2,849.76

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Solution

The fourth proportional to 2,861.28, 4,295.52 and 2,849.76 is: 4,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.28 : 4,295.52 = 2,849.76 : x
  2. Step 2: Convert to fraction form
    2,861.28/4,295.52 = 2,849.76/x
  3. Step 3: Cross multiply
    2,861.28x = 4,295.52 × 2,849.76
  4. Step 4: Simplify right side
    2,861.28x = 12,241,201.08
  5. Step 5: Solve for x
    x = 12,241,201.08/2,861.28
  6. Step 6: Final answer
    x = 4,278.23

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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.