Home / 2,266.38-3,127.35-1,272

Finding the Fourth Proportional to 2,266.38, 3,127.35 and 1,272

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Solution

The fourth proportional to 2,266.38, 3,127.35 and 1,272 is: 1,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.38 : 3,127.35 = 1,272 : x
  2. Step 2: Convert to fraction form
    2,266.38/3,127.35 = 1,272/x
  3. Step 3: Cross multiply
    2,266.38x = 3,127.35 × 1,272
  4. Step 4: Simplify right side
    2,266.38x = 3,977,989.20
  5. Step 5: Solve for x
    x = 3,977,989.20/2,266.38
  6. Step 6: Final answer
    x = 1,755.22

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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.