Home / 3,862.42-5,791.58-1,781.35

Finding the Fourth Proportional to 3,862.42, 5,791.58 and 1,781.35

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Solution

The fourth proportional to 3,862.42, 5,791.58 and 1,781.35 is: 2,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.42 : 5,791.58 = 1,781.35 : x
  2. Step 2: Convert to fraction form
    3,862.42/5,791.58 = 1,781.35/x
  3. Step 3: Cross multiply
    3,862.42x = 5,791.58 × 1,781.35
  4. Step 4: Simplify right side
    3,862.42x = 10,316,831.03
  5. Step 5: Solve for x
    x = 10,316,831.03/3,862.42
  6. Step 6: Final answer
    x = 2,671.08

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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.