Home / 2,267.86-3,399.39-1,291.87

Finding the Fourth Proportional to 2,267.86, 3,399.39 and 1,291.87

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Solution

The fourth proportional to 2,267.86, 3,399.39 and 1,291.87 is: 1,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.86 : 3,399.39 = 1,291.87 : x
  2. Step 2: Convert to fraction form
    2,267.86/3,399.39 = 1,291.87/x
  3. Step 3: Cross multiply
    2,267.86x = 3,399.39 × 1,291.87
  4. Step 4: Simplify right side
    2,267.86x = 4,391,569.96
  5. Step 5: Solve for x
    x = 4,391,569.96/2,267.86
  6. Step 6: Final answer
    x = 1,936.44

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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.