Home / 3,160.88-4,742.04-1,213.08

Finding the Fourth Proportional to 3,160.88, 4,742.04 and 1,213.08

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Solution

The fourth proportional to 3,160.88, 4,742.04 and 1,213.08 is: 1,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.88 : 4,742.04 = 1,213.08 : x
  2. Step 2: Convert to fraction form
    3,160.88/4,742.04 = 1,213.08/x
  3. Step 3: Cross multiply
    3,160.88x = 4,742.04 × 1,213.08
  4. Step 4: Simplify right side
    3,160.88x = 5,752,473.88
  5. Step 5: Solve for x
    x = 5,752,473.88/3,160.88
  6. Step 6: Final answer
    x = 1,819.90

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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.