Home / 3,278.16-4,913.40-2,693.76

Finding the Fourth Proportional to 3,278.16, 4,913.40 and 2,693.76

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Solution

The fourth proportional to 3,278.16, 4,913.40 and 2,693.76 is: 4,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.16 : 4,913.40 = 2,693.76 : x
  2. Step 2: Convert to fraction form
    3,278.16/4,913.40 = 2,693.76/x
  3. Step 3: Cross multiply
    3,278.16x = 4,913.40 × 2,693.76
  4. Step 4: Simplify right side
    3,278.16x = 13,235,520.38
  5. Step 5: Solve for x
    x = 13,235,520.38/3,278.16
  6. Step 6: Final answer
    x = 4,037.48

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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.