Home / 2,760.03-4,144.13-1,119.78

Finding the Fourth Proportional to 2,760.03, 4,144.13 and 1,119.78

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Solution

The fourth proportional to 2,760.03, 4,144.13 and 1,119.78 is: 1,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.03 : 4,144.13 = 1,119.78 : x
  2. Step 2: Convert to fraction form
    2,760.03/4,144.13 = 1,119.78/x
  3. Step 3: Cross multiply
    2,760.03x = 4,144.13 × 1,119.78
  4. Step 4: Simplify right side
    2,760.03x = 4,640,508.29
  5. Step 5: Solve for x
    x = 4,640,508.29/2,760.03
  6. Step 6: Final answer
    x = 1,681.33

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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.