Home / 2,915.29-4,371.65-834.82

Finding the Fourth Proportional to 2,915.29, 4,371.65 and 834.82

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Solution

The fourth proportional to 2,915.29, 4,371.65 and 834.82 is: 1,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.29 : 4,371.65 = 834.82 : x
  2. Step 2: Convert to fraction form
    2,915.29/4,371.65 = 834.82/x
  3. Step 3: Cross multiply
    2,915.29x = 4,371.65 × 834.82
  4. Step 4: Simplify right side
    2,915.29x = 3,649,554.64
  5. Step 5: Solve for x
    x = 3,649,554.64/2,915.29
  6. Step 6: Final answer
    x = 1,251.87

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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.