Home / 3,827.42-5,281.94-2,148.96

Finding the Fourth Proportional to 3,827.42, 5,281.94 and 2,148.96

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Solution

The fourth proportional to 3,827.42, 5,281.94 and 2,148.96 is: 2,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.42 : 5,281.94 = 2,148.96 : x
  2. Step 2: Convert to fraction form
    3,827.42/5,281.94 = 2,148.96/x
  3. Step 3: Cross multiply
    3,827.42x = 5,281.94 × 2,148.96
  4. Step 4: Simplify right side
    3,827.42x = 11,350,677.78
  5. Step 5: Solve for x
    x = 11,350,677.78/3,827.42
  6. Step 6: Final answer
    x = 2,965.62

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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.