Home / 3,781.24-5,673.48-1,314.71

Finding the Fourth Proportional to 3,781.24, 5,673.48 and 1,314.71

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Solution

The fourth proportional to 3,781.24, 5,673.48 and 1,314.71 is: 1,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.24 : 5,673.48 = 1,314.71 : x
  2. Step 2: Convert to fraction form
    3,781.24/5,673.48 = 1,314.71/x
  3. Step 3: Cross multiply
    3,781.24x = 5,673.48 × 1,314.71
  4. Step 4: Simplify right side
    3,781.24x = 7,458,995.07
  5. Step 5: Solve for x
    x = 7,458,995.07/3,781.24
  6. Step 6: Final answer
    x = 1,972.63

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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.