Home / 2,521.52-3,481.39-2,255.13

Finding the Fourth Proportional to 2,521.52, 3,481.39 and 2,255.13

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Solution

The fourth proportional to 2,521.52, 3,481.39 and 2,255.13 is: 3,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.52 : 3,481.39 = 2,255.13 : x
  2. Step 2: Convert to fraction form
    2,521.52/3,481.39 = 2,255.13/x
  3. Step 3: Cross multiply
    2,521.52x = 3,481.39 × 2,255.13
  4. Step 4: Simplify right side
    2,521.52x = 7,850,987.03
  5. Step 5: Solve for x
    x = 7,850,987.03/2,521.52
  6. Step 6: Final answer
    x = 3,113.59

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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.