Home / 2,572.11-3,858.30-1,273.14

Finding the Fourth Proportional to 2,572.11, 3,858.30 and 1,273.14

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Solution

The fourth proportional to 2,572.11, 3,858.30 and 1,273.14 is: 1,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.11 : 3,858.30 = 1,273.14 : x
  2. Step 2: Convert to fraction form
    2,572.11/3,858.30 = 1,273.14/x
  3. Step 3: Cross multiply
    2,572.11x = 3,858.30 × 1,273.14
  4. Step 4: Simplify right side
    2,572.11x = 4,912,156.06
  5. Step 5: Solve for x
    x = 4,912,156.06/2,572.11
  6. Step 6: Final answer
    x = 1,909.78

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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.