Home / 3,710.88-5,119.11-2,515.95

Finding the Fourth Proportional to 3,710.88, 5,119.11 and 2,515.95

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Solution

The fourth proportional to 3,710.88, 5,119.11 and 2,515.95 is: 3,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.88 : 5,119.11 = 2,515.95 : x
  2. Step 2: Convert to fraction form
    3,710.88/5,119.11 = 2,515.95/x
  3. Step 3: Cross multiply
    3,710.88x = 5,119.11 × 2,515.95
  4. Step 4: Simplify right side
    3,710.88x = 12,879,424.80
  5. Step 5: Solve for x
    x = 12,879,424.80/3,710.88
  6. Step 6: Final answer
    x = 3,470.72

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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.