Home / 3,245.02-4,872.39-3,131.62

Finding the Fourth Proportional to 3,245.02, 4,872.39 and 3,131.62

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Solution

The fourth proportional to 3,245.02, 4,872.39 and 3,131.62 is: 4,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.02 : 4,872.39 = 3,131.62 : x
  2. Step 2: Convert to fraction form
    3,245.02/4,872.39 = 3,131.62/x
  3. Step 3: Cross multiply
    3,245.02x = 4,872.39 × 3,131.62
  4. Step 4: Simplify right side
    3,245.02x = 15,258,473.97
  5. Step 5: Solve for x
    x = 15,258,473.97/3,245.02
  6. Step 6: Final answer
    x = 4,702.12

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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.