Home / 3,827.54-5,281.89-2,148.95

Finding the Fourth Proportional to 3,827.54, 5,281.89 and 2,148.95

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Solution

The fourth proportional to 3,827.54, 5,281.89 and 2,148.95 is: 2,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.54 : 5,281.89 = 2,148.95 : x
  2. Step 2: Convert to fraction form
    3,827.54/5,281.89 = 2,148.95/x
  3. Step 3: Cross multiply
    3,827.54x = 5,281.89 × 2,148.95
  4. Step 4: Simplify right side
    3,827.54x = 11,350,517.52
  5. Step 5: Solve for x
    x = 11,350,517.52/3,827.54
  6. Step 6: Final answer
    x = 2,965.49

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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.