Home / 2,915.62-4,375.53-1,434.52

Finding the Fourth Proportional to 2,915.62, 4,375.53 and 1,434.52

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Solution

The fourth proportional to 2,915.62, 4,375.53 and 1,434.52 is: 2,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.62 : 4,375.53 = 1,434.52 : x
  2. Step 2: Convert to fraction form
    2,915.62/4,375.53 = 1,434.52/x
  3. Step 3: Cross multiply
    2,915.62x = 4,375.53 × 1,434.52
  4. Step 4: Simplify right side
    2,915.62x = 6,276,785.30
  5. Step 5: Solve for x
    x = 6,276,785.30/2,915.62
  6. Step 6: Final answer
    x = 2,152.81

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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.