Home / 3,942.24-5,437.26-2,542.56

Finding the Fourth Proportional to 3,942.24, 5,437.26 and 2,542.56

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Solution

The fourth proportional to 3,942.24, 5,437.26 and 2,542.56 is: 3,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.24 : 5,437.26 = 2,542.56 : x
  2. Step 2: Convert to fraction form
    3,942.24/5,437.26 = 2,542.56/x
  3. Step 3: Cross multiply
    3,942.24x = 5,437.26 × 2,542.56
  4. Step 4: Simplify right side
    3,942.24x = 13,824,559.79
  5. Step 5: Solve for x
    x = 13,824,559.79/3,942.24
  6. Step 6: Final answer
    x = 3,506.78

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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.