Home / 2,745.24-4,097.88-2,542.20

Finding the Fourth Proportional to 2,745.24, 4,097.88 and 2,542.20

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Solution

The fourth proportional to 2,745.24, 4,097.88 and 2,542.20 is: 3,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.24 : 4,097.88 = 2,542.20 : x
  2. Step 2: Convert to fraction form
    2,745.24/4,097.88 = 2,542.20/x
  3. Step 3: Cross multiply
    2,745.24x = 4,097.88 × 2,542.20
  4. Step 4: Simplify right side
    2,745.24x = 10,417,630.54
  5. Step 5: Solve for x
    x = 10,417,630.54/2,745.24
  6. Step 6: Final answer
    x = 3,794.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.