Home / 3,456.29-5,186.42-1,264.73

Finding the Fourth Proportional to 3,456.29, 5,186.42 and 1,264.73

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Solution

The fourth proportional to 3,456.29, 5,186.42 and 1,264.73 is: 1,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.29 : 5,186.42 = 1,264.73 : x
  2. Step 2: Convert to fraction form
    3,456.29/5,186.42 = 1,264.73/x
  3. Step 3: Cross multiply
    3,456.29x = 5,186.42 × 1,264.73
  4. Step 4: Simplify right side
    3,456.29x = 6,559,414.64
  5. Step 5: Solve for x
    x = 6,559,414.64/3,456.29
  6. Step 6: Final answer
    x = 1,897.82

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1.5x scale

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.