Home / 3,124.44-4,302.44-2,238.72

Finding the Fourth Proportional to 3,124.44, 4,302.44 and 2,238.72

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Solution

The fourth proportional to 3,124.44, 4,302.44 and 2,238.72 is: 3,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.44 : 4,302.44 = 2,238.72 : x
  2. Step 2: Convert to fraction form
    3,124.44/4,302.44 = 2,238.72/x
  3. Step 3: Cross multiply
    3,124.44x = 4,302.44 × 2,238.72
  4. Step 4: Simplify right side
    3,124.44x = 9,631,958.48
  5. Step 5: Solve for x
    x = 9,631,958.48/3,124.44
  6. Step 6: Final answer
    x = 3,082.78

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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.