Home / 3,834.36-5,292-2,577.78

Finding the Fourth Proportional to 3,834.36, 5,292 and 2,577.78

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Solution

The fourth proportional to 3,834.36, 5,292 and 2,577.78 is: 3,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.36 : 5,292 = 2,577.78 : x
  2. Step 2: Convert to fraction form
    3,834.36/5,292 = 2,577.78/x
  3. Step 3: Cross multiply
    3,834.36x = 5,292 × 2,577.78
  4. Step 4: Simplify right side
    3,834.36x = 13,641,611.76
  5. Step 5: Solve for x
    x = 13,641,611.76/3,834.36
  6. Step 6: Final answer
    x = 3,557.73

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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.