Home / 3,114.80-4,292.50-2,229.06

Finding the Fourth Proportional to 3,114.80, 4,292.50 and 2,229.06

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Solution

The fourth proportional to 3,114.80, 4,292.50 and 2,229.06 is: 3,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.80 : 4,292.50 = 2,229.06 : x
  2. Step 2: Convert to fraction form
    3,114.80/4,292.50 = 2,229.06/x
  3. Step 3: Cross multiply
    3,114.80x = 4,292.50 × 2,229.06
  4. Step 4: Simplify right side
    3,114.80x = 9,568,240.05
  5. Step 5: Solve for x
    x = 9,568,240.05/3,114.80
  6. Step 6: Final answer
    x = 3,071.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.