Home / 3,781.04-5,671.51-2,231.82

Finding the Fourth Proportional to 3,781.04, 5,671.51 and 2,231.82

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Solution

The fourth proportional to 3,781.04, 5,671.51 and 2,231.82 is: 3,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.04 : 5,671.51 = 2,231.82 : x
  2. Step 2: Convert to fraction form
    3,781.04/5,671.51 = 2,231.82/x
  3. Step 3: Cross multiply
    3,781.04x = 5,671.51 × 2,231.82
  4. Step 4: Simplify right side
    3,781.04x = 12,657,783.87
  5. Step 5: Solve for x
    x = 12,657,783.87/3,781.04
  6. Step 6: Final answer
    x = 3,347.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.