Home / 4,029.92-5,561.44-2,851.36

Finding the Fourth Proportional to 4,029.92, 5,561.44 and 2,851.36

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Solution

The fourth proportional to 4,029.92, 5,561.44 and 2,851.36 is: 3,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.92 : 5,561.44 = 2,851.36 : x
  2. Step 2: Convert to fraction form
    4,029.92/5,561.44 = 2,851.36/x
  3. Step 3: Cross multiply
    4,029.92x = 5,561.44 × 2,851.36
  4. Step 4: Simplify right side
    4,029.92x = 15,857,667.56
  5. Step 5: Solve for x
    x = 15,857,667.56/4,029.92
  6. Step 6: Final answer
    x = 3,934.98

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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.