Home / 2,060.32-2,843.22-1,220.80

Finding the Fourth Proportional to 2,060.32, 2,843.22 and 1,220.80

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Solution

The fourth proportional to 2,060.32, 2,843.22 and 1,220.80 is: 1,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.32 : 2,843.22 = 1,220.80 : x
  2. Step 2: Convert to fraction form
    2,060.32/2,843.22 = 1,220.80/x
  3. Step 3: Cross multiply
    2,060.32x = 2,843.22 × 1,220.80
  4. Step 4: Simplify right side
    2,060.32x = 3,471,002.98
  5. Step 5: Solve for x
    x = 3,471,002.98/2,060.32
  6. Step 6: Final answer
    x = 1,684.69

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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.