Home / 2,659.20-3,669.76-1,480.26

Finding the Fourth Proportional to 2,659.20, 3,669.76 and 1,480.26

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Solution

The fourth proportional to 2,659.20, 3,669.76 and 1,480.26 is: 2,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.20 : 3,669.76 = 1,480.26 : x
  2. Step 2: Convert to fraction form
    2,659.20/3,669.76 = 1,480.26/x
  3. Step 3: Cross multiply
    2,659.20x = 3,669.76 × 1,480.26
  4. Step 4: Simplify right side
    2,659.20x = 5,432,198.94
  5. Step 5: Solve for x
    x = 5,432,198.94/2,659.20
  6. Step 6: Final answer
    x = 2,042.79

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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.