Home / 2,915.03-4,371.60-966.85

Finding the Fourth Proportional to 2,915.03, 4,371.60 and 966.85

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Solution

The fourth proportional to 2,915.03, 4,371.60 and 966.85 is: 1,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.03 : 4,371.60 = 966.85 : x
  2. Step 2: Convert to fraction form
    2,915.03/4,371.60 = 966.85/x
  3. Step 3: Cross multiply
    2,915.03x = 4,371.60 × 966.85
  4. Step 4: Simplify right side
    2,915.03x = 4,226,681.46
  5. Step 5: Solve for x
    x = 4,226,681.46/2,915.03
  6. Step 6: Final answer
    x = 1,449.96

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1.5x scale

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.