Home / 3,221.53-4,832.48-1,000.57

Finding the Fourth Proportional to 3,221.53, 4,832.48 and 1,000.57

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Solution

The fourth proportional to 3,221.53, 4,832.48 and 1,000.57 is: 1,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.53 : 4,832.48 = 1,000.57 : x
  2. Step 2: Convert to fraction form
    3,221.53/4,832.48 = 1,000.57/x
  3. Step 3: Cross multiply
    3,221.53x = 4,832.48 × 1,000.57
  4. Step 4: Simplify right side
    3,221.53x = 4,835,253.83
  5. Step 5: Solve for x
    x = 4,835,253.83/3,221.53
  6. Step 6: Final answer
    x = 1,500.92

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Double scale
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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.