Home / 3,129.32-4,694.04-1,486.04

Finding the Fourth Proportional to 3,129.32, 4,694.04 and 1,486.04

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Solution

The fourth proportional to 3,129.32, 4,694.04 and 1,486.04 is: 2,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.32 : 4,694.04 = 1,486.04 : x
  2. Step 2: Convert to fraction form
    3,129.32/4,694.04 = 1,486.04/x
  3. Step 3: Cross multiply
    3,129.32x = 4,694.04 × 1,486.04
  4. Step 4: Simplify right side
    3,129.32x = 6,975,507.73
  5. Step 5: Solve for x
    x = 6,975,507.73/3,129.32
  6. Step 6: Final answer
    x = 2,229.08

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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.