Home / 2,266.11-3,127.14-1,257.77

Finding the Fourth Proportional to 2,266.11, 3,127.14 and 1,257.77

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Solution

The fourth proportional to 2,266.11, 3,127.14 and 1,257.77 is: 1,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.11 : 3,127.14 = 1,257.77 : x
  2. Step 2: Convert to fraction form
    2,266.11/3,127.14 = 1,257.77/x
  3. Step 3: Cross multiply
    2,266.11x = 3,127.14 × 1,257.77
  4. Step 4: Simplify right side
    2,266.11x = 3,933,207.24
  5. Step 5: Solve for x
    x = 3,933,207.24/2,266.11
  6. Step 6: Final answer
    x = 1,735.66

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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.