Home / 3,868.74-5,339.73-2,377.95

Finding the Fourth Proportional to 3,868.74, 5,339.73 and 2,377.95

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Solution

The fourth proportional to 3,868.74, 5,339.73 and 2,377.95 is: 3,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.74 : 5,339.73 = 2,377.95 : x
  2. Step 2: Convert to fraction form
    3,868.74/5,339.73 = 2,377.95/x
  3. Step 3: Cross multiply
    3,868.74x = 5,339.73 × 2,377.95
  4. Step 4: Simplify right side
    3,868.74x = 12,697,610.95
  5. Step 5: Solve for x
    x = 12,697,610.95/3,868.74
  6. Step 6: Final answer
    x = 3,282.11

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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.