Home / 2,915.72-4,373.62-1,625.39

Finding the Fourth Proportional to 2,915.72, 4,373.62 and 1,625.39

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Solution

The fourth proportional to 2,915.72, 4,373.62 and 1,625.39 is: 2,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.72 : 4,373.62 = 1,625.39 : x
  2. Step 2: Convert to fraction form
    2,915.72/4,373.62 = 1,625.39/x
  3. Step 3: Cross multiply
    2,915.72x = 4,373.62 × 1,625.39
  4. Step 4: Simplify right side
    2,915.72x = 7,108,838.21
  5. Step 5: Solve for x
    x = 7,108,838.21/2,915.72
  6. Step 6: Final answer
    x = 2,438.11

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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.