Home / 2,747.08-4,134.55-2,478.76

Finding the Fourth Proportional to 2,747.08, 4,134.55 and 2,478.76

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Solution

The fourth proportional to 2,747.08, 4,134.55 and 2,478.76 is: 3,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.08 : 4,134.55 = 2,478.76 : x
  2. Step 2: Convert to fraction form
    2,747.08/4,134.55 = 2,478.76/x
  3. Step 3: Cross multiply
    2,747.08x = 4,134.55 × 2,478.76
  4. Step 4: Simplify right side
    2,747.08x = 10,248,557.16
  5. Step 5: Solve for x
    x = 10,248,557.16/2,747.08
  6. Step 6: Final answer
    x = 3,730.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.