Home / 3,781.26-5,670.78-1,589.94

Finding the Fourth Proportional to 3,781.26, 5,670.78 and 1,589.94

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Solution

The fourth proportional to 3,781.26, 5,670.78 and 1,589.94 is: 2,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.26 : 5,670.78 = 1,589.94 : x
  2. Step 2: Convert to fraction form
    3,781.26/5,670.78 = 1,589.94/x
  3. Step 3: Cross multiply
    3,781.26x = 5,670.78 × 1,589.94
  4. Step 4: Simplify right side
    3,781.26x = 9,016,199.95
  5. Step 5: Solve for x
    x = 9,016,199.95/3,781.26
  6. Step 6: Final answer
    x = 2,384.44

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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.