Home / 3,918.92-5,877.50-1,144.92

Finding the Fourth Proportional to 3,918.92, 5,877.50 and 1,144.92

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Solution

The fourth proportional to 3,918.92, 5,877.50 and 1,144.92 is: 1,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.92 : 5,877.50 = 1,144.92 : x
  2. Step 2: Convert to fraction form
    3,918.92/5,877.50 = 1,144.92/x
  3. Step 3: Cross multiply
    3,918.92x = 5,877.50 × 1,144.92
  4. Step 4: Simplify right side
    3,918.92x = 6,729,267.30
  5. Step 5: Solve for x
    x = 6,729,267.30/3,918.92
  6. Step 6: Final answer
    x = 1,717.12

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1.5x scale

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.