Home / 2,747.68-4,122.57-1,652.82

Finding the Fourth Proportional to 2,747.68, 4,122.57 and 1,652.82

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Solution

The fourth proportional to 2,747.68, 4,122.57 and 1,652.82 is: 2,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.68 : 4,122.57 = 1,652.82 : x
  2. Step 2: Convert to fraction form
    2,747.68/4,122.57 = 1,652.82/x
  3. Step 3: Cross multiply
    2,747.68x = 4,122.57 × 1,652.82
  4. Step 4: Simplify right side
    2,747.68x = 6,813,866.15
  5. Step 5: Solve for x
    x = 6,813,866.15/2,747.68
  6. Step 6: Final answer
    x = 2,479.86

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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.