Home / 3,977.11-5,488.47-2,184.66

Finding the Fourth Proportional to 3,977.11, 5,488.47 and 2,184.66

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Solution

The fourth proportional to 3,977.11, 5,488.47 and 2,184.66 is: 3,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.11 : 5,488.47 = 2,184.66 : x
  2. Step 2: Convert to fraction form
    3,977.11/5,488.47 = 2,184.66/x
  3. Step 3: Cross multiply
    3,977.11x = 5,488.47 × 2,184.66
  4. Step 4: Simplify right side
    3,977.11x = 11,990,432.61
  5. Step 5: Solve for x
    x = 11,990,432.61/3,977.11
  6. Step 6: Final answer
    x = 3,014.86

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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.