Home / 2,267.11-3,398.27-1,291.12

Finding the Fourth Proportional to 2,267.11, 3,398.27 and 1,291.12

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Solution

The fourth proportional to 2,267.11, 3,398.27 and 1,291.12 is: 1,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.11 : 3,398.27 = 1,291.12 : x
  2. Step 2: Convert to fraction form
    2,267.11/3,398.27 = 1,291.12/x
  3. Step 3: Cross multiply
    2,267.11x = 3,398.27 × 1,291.12
  4. Step 4: Simplify right side
    2,267.11x = 4,387,567.91
  5. Step 5: Solve for x
    x = 4,387,567.91/2,267.11
  6. Step 6: Final answer
    x = 1,935.31

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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.