Home / 3,915.26-5,872.91-1,543.58

Finding the Fourth Proportional to 3,915.26, 5,872.91 and 1,543.58

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Solution

The fourth proportional to 3,915.26, 5,872.91 and 1,543.58 is: 2,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.26 : 5,872.91 = 1,543.58 : x
  2. Step 2: Convert to fraction form
    3,915.26/5,872.91 = 1,543.58/x
  3. Step 3: Cross multiply
    3,915.26x = 5,872.91 × 1,543.58
  4. Step 4: Simplify right side
    3,915.26x = 9,065,269.34
  5. Step 5: Solve for x
    x = 9,065,269.34/3,915.26
  6. Step 6: Final answer
    x = 2,315.37

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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.