Home / 3,773.97-5,206.65-2,781.62

Finding the Fourth Proportional to 3,773.97, 5,206.65 and 2,781.62

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Solution

The fourth proportional to 3,773.97, 5,206.65 and 2,781.62 is: 3,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.97 : 5,206.65 = 2,781.62 : x
  2. Step 2: Convert to fraction form
    3,773.97/5,206.65 = 2,781.62/x
  3. Step 3: Cross multiply
    3,773.97x = 5,206.65 × 2,781.62
  4. Step 4: Simplify right side
    3,773.97x = 14,482,921.77
  5. Step 5: Solve for x
    x = 14,482,921.77/3,773.97
  6. Step 6: Final answer
    x = 3,837.58

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1.5x scale

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.