Home / 2,915.98-4,375.26-1,528.99

Finding the Fourth Proportional to 2,915.98, 4,375.26 and 1,528.99

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Solution

The fourth proportional to 2,915.98, 4,375.26 and 1,528.99 is: 2,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.98 : 4,375.26 = 1,528.99 : x
  2. Step 2: Convert to fraction form
    2,915.98/4,375.26 = 1,528.99/x
  3. Step 3: Cross multiply
    2,915.98x = 4,375.26 × 1,528.99
  4. Step 4: Simplify right side
    2,915.98x = 6,689,717.85
  5. Step 5: Solve for x
    x = 6,689,717.85/2,915.98
  6. Step 6: Final answer
    x = 2,294.16

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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.