Home / 3,241.18-4,838.10-2,781.91

Finding the Fourth Proportional to 3,241.18, 4,838.10 and 2,781.91

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Solution

The fourth proportional to 3,241.18, 4,838.10 and 2,781.91 is: 4,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.18 : 4,838.10 = 2,781.91 : x
  2. Step 2: Convert to fraction form
    3,241.18/4,838.10 = 2,781.91/x
  3. Step 3: Cross multiply
    3,241.18x = 4,838.10 × 2,781.91
  4. Step 4: Simplify right side
    3,241.18x = 13,459,146.68
  5. Step 5: Solve for x
    x = 13,459,146.68/3,241.18
  6. Step 6: Final answer
    x = 4,152.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.