Home / 3,540.45-4,886.31-2,049.24

Finding the Fourth Proportional to 3,540.45, 4,886.31 and 2,049.24

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Solution

The fourth proportional to 3,540.45, 4,886.31 and 2,049.24 is: 2,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.45 : 4,886.31 = 2,049.24 : x
  2. Step 2: Convert to fraction form
    3,540.45/4,886.31 = 2,049.24/x
  3. Step 3: Cross multiply
    3,540.45x = 4,886.31 × 2,049.24
  4. Step 4: Simplify right side
    3,540.45x = 10,013,221.90
  5. Step 5: Solve for x
    x = 10,013,221.90/3,540.45
  6. Step 6: Final answer
    x = 2,828.23

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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.