Home / 3,307.38-4,947.39-2,715.72

Finding the Fourth Proportional to 3,307.38, 4,947.39 and 2,715.72

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Solution

The fourth proportional to 3,307.38, 4,947.39 and 2,715.72 is: 4,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.38 : 4,947.39 = 2,715.72 : x
  2. Step 2: Convert to fraction form
    3,307.38/4,947.39 = 2,715.72/x
  3. Step 3: Cross multiply
    3,307.38x = 4,947.39 × 2,715.72
  4. Step 4: Simplify right side
    3,307.38x = 13,435,725.97
  5. Step 5: Solve for x
    x = 13,435,725.97/3,307.38
  6. Step 6: Final answer
    x = 4,062.35

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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.