Home / 2,552.22-3,520.92-1,489.92

Finding the Fourth Proportional to 2,552.22, 3,520.92 and 1,489.92

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Solution

The fourth proportional to 2,552.22, 3,520.92 and 1,489.92 is: 2,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.22 : 3,520.92 = 1,489.92 : x
  2. Step 2: Convert to fraction form
    2,552.22/3,520.92 = 1,489.92/x
  3. Step 3: Cross multiply
    2,552.22x = 3,520.92 × 1,489.92
  4. Step 4: Simplify right side
    2,552.22x = 5,245,889.13
  5. Step 5: Solve for x
    x = 5,245,889.13/2,552.22
  6. Step 6: Final answer
    x = 2,055.42

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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.