Home / 3,868.61-5,335.94-2,377.36

Finding the Fourth Proportional to 3,868.61, 5,335.94 and 2,377.36

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Solution

The fourth proportional to 3,868.61, 5,335.94 and 2,377.36 is: 3,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.61 : 5,335.94 = 2,377.36 : x
  2. Step 2: Convert to fraction form
    3,868.61/5,335.94 = 2,377.36/x
  3. Step 3: Cross multiply
    3,868.61x = 5,335.94 × 2,377.36
  4. Step 4: Simplify right side
    3,868.61x = 12,685,462.93
  5. Step 5: Solve for x
    x = 12,685,462.93/3,868.61
  6. Step 6: Final answer
    x = 3,279.08

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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.