Home / 3,127.98-4,691.90-2,577.94

Finding the Fourth Proportional to 3,127.98, 4,691.90 and 2,577.94

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Solution

The fourth proportional to 3,127.98, 4,691.90 and 2,577.94 is: 3,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.98 : 4,691.90 = 2,577.94 : x
  2. Step 2: Convert to fraction form
    3,127.98/4,691.90 = 2,577.94/x
  3. Step 3: Cross multiply
    3,127.98x = 4,691.90 × 2,577.94
  4. Step 4: Simplify right side
    3,127.98x = 12,095,436.69
  5. Step 5: Solve for x
    x = 12,095,436.69/3,127.98
  6. Step 6: Final answer
    x = 3,866.85

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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.