Home / 3,127.82-4,691.79-1,484.53

Finding the Fourth Proportional to 3,127.82, 4,691.79 and 1,484.53

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Solution

The fourth proportional to 3,127.82, 4,691.79 and 1,484.53 is: 2,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.82 : 4,691.79 = 1,484.53 : x
  2. Step 2: Convert to fraction form
    3,127.82/4,691.79 = 1,484.53/x
  3. Step 3: Cross multiply
    3,127.82x = 4,691.79 × 1,484.53
  4. Step 4: Simplify right side
    3,127.82x = 6,965,091.28
  5. Step 5: Solve for x
    x = 6,965,091.28/3,127.82
  6. Step 6: Final answer
    x = 2,226.82

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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.