Home / 2,986.38-4,476.87-1,255.14

Finding the Fourth Proportional to 2,986.38, 4,476.87 and 1,255.14

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Solution

The fourth proportional to 2,986.38, 4,476.87 and 1,255.14 is: 1,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.38 : 4,476.87 = 1,255.14 : x
  2. Step 2: Convert to fraction form
    2,986.38/4,476.87 = 1,255.14/x
  3. Step 3: Cross multiply
    2,986.38x = 4,476.87 × 1,255.14
  4. Step 4: Simplify right side
    2,986.38x = 5,619,098.61
  5. Step 5: Solve for x
    x = 5,619,098.61/2,986.38
  6. Step 6: Final answer
    x = 1,881.58

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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.