Home / 2,266.16-3,127.32-1,257.88

Finding the Fourth Proportional to 2,266.16, 3,127.32 and 1,257.88

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Solution

The fourth proportional to 2,266.16, 3,127.32 and 1,257.88 is: 1,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.16 : 3,127.32 = 1,257.88 : x
  2. Step 2: Convert to fraction form
    2,266.16/3,127.32 = 1,257.88/x
  3. Step 3: Cross multiply
    2,266.16x = 3,127.32 × 1,257.88
  4. Step 4: Simplify right side
    2,266.16x = 3,933,793.28
  5. Step 5: Solve for x
    x = 3,933,793.28/2,266.16
  6. Step 6: Final answer
    x = 1,735.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.