Home / 3,881.73-5,820.81-1,248.75

Finding the Fourth Proportional to 3,881.73, 5,820.81 and 1,248.75

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Solution

The fourth proportional to 3,881.73, 5,820.81 and 1,248.75 is: 1,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.73 : 5,820.81 = 1,248.75 : x
  2. Step 2: Convert to fraction form
    3,881.73/5,820.81 = 1,248.75/x
  3. Step 3: Cross multiply
    3,881.73x = 5,820.81 × 1,248.75
  4. Step 4: Simplify right side
    3,881.73x = 7,268,718.81
  5. Step 5: Solve for x
    x = 7,268,718.81/3,881.73
  6. Step 6: Final answer
    x = 1,872.55

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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.