Home / 2,915.26-4,372.88-1,183.88

Finding the Fourth Proportional to 2,915.26, 4,372.88 and 1,183.88

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Solution

The fourth proportional to 2,915.26, 4,372.88 and 1,183.88 is: 1,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.26 : 4,372.88 = 1,183.88 : x
  2. Step 2: Convert to fraction form
    2,915.26/4,372.88 = 1,183.88/x
  3. Step 3: Cross multiply
    2,915.26x = 4,372.88 × 1,183.88
  4. Step 4: Simplify right side
    2,915.26x = 5,176,965.17
  5. Step 5: Solve for x
    x = 5,176,965.17/2,915.26
  6. Step 6: Final answer
    x = 1,775.82

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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.