Home / 3,918.03-5,877.33-1,144.72

Finding the Fourth Proportional to 3,918.03, 5,877.33 and 1,144.72

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Solution

The fourth proportional to 3,918.03, 5,877.33 and 1,144.72 is: 1,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.03 : 5,877.33 = 1,144.72 : x
  2. Step 2: Convert to fraction form
    3,918.03/5,877.33 = 1,144.72/x
  3. Step 3: Cross multiply
    3,918.03x = 5,877.33 × 1,144.72
  4. Step 4: Simplify right side
    3,918.03x = 6,727,897.20
  5. Step 5: Solve for x
    x = 6,727,897.20/3,918.03
  6. Step 6: Final answer
    x = 1,717.16

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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.