Home / 3,192.10-4,788.16-1,000.64

Finding the Fourth Proportional to 3,192.10, 4,788.16 and 1,000.64

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Solution

The fourth proportional to 3,192.10, 4,788.16 and 1,000.64 is: 1,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.10 : 4,788.16 = 1,000.64 : x
  2. Step 2: Convert to fraction form
    3,192.10/4,788.16 = 1,000.64/x
  3. Step 3: Cross multiply
    3,192.10x = 4,788.16 × 1,000.64
  4. Step 4: Simplify right side
    3,192.10x = 4,791,224.42
  5. Step 5: Solve for x
    x = 4,791,224.42/3,192.10
  6. Step 6: Final answer
    x = 1,500.96

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Similar ratio
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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.