Home / 2,680.83-4,019.09-1,142.91

Finding the Fourth Proportional to 2,680.83, 4,019.09 and 1,142.91

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Solution

The fourth proportional to 2,680.83, 4,019.09 and 1,142.91 is: 1,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.83 : 4,019.09 = 1,142.91 : x
  2. Step 2: Convert to fraction form
    2,680.83/4,019.09 = 1,142.91/x
  3. Step 3: Cross multiply
    2,680.83x = 4,019.09 × 1,142.91
  4. Step 4: Simplify right side
    2,680.83x = 4,593,452.44
  5. Step 5: Solve for x
    x = 4,593,452.44/2,680.83
  6. Step 6: Final answer
    x = 1,713.44

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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.