Home / 2,981.68-4,473.16-1,132.79

Finding the Fourth Proportional to 2,981.68, 4,473.16 and 1,132.79

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Solution

The fourth proportional to 2,981.68, 4,473.16 and 1,132.79 is: 1,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.68 : 4,473.16 = 1,132.79 : x
  2. Step 2: Convert to fraction form
    2,981.68/4,473.16 = 1,132.79/x
  3. Step 3: Cross multiply
    2,981.68x = 4,473.16 × 1,132.79
  4. Step 4: Simplify right side
    2,981.68x = 5,067,125.72
  5. Step 5: Solve for x
    x = 5,067,125.72/2,981.68
  6. Step 6: Final answer
    x = 1,699.42

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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.