Home / 2,915.30-4,372.98-1,066.48

Finding the Fourth Proportional to 2,915.30, 4,372.98 and 1,066.48

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Solution

The fourth proportional to 2,915.30, 4,372.98 and 1,066.48 is: 1,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.30 : 4,372.98 = 1,066.48 : x
  2. Step 2: Convert to fraction form
    2,915.30/4,372.98 = 1,066.48/x
  3. Step 3: Cross multiply
    2,915.30x = 4,372.98 × 1,066.48
  4. Step 4: Simplify right side
    2,915.30x = 4,663,680.78
  5. Step 5: Solve for x
    x = 4,663,680.78/2,915.30
  6. Step 6: Final answer
    x = 1,599.72

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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.