Home / 4,141.42-5,715.15-2,278.42

Finding the Fourth Proportional to 4,141.42, 5,715.15 and 2,278.42

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Solution

The fourth proportional to 4,141.42, 5,715.15 and 2,278.42 is: 3,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.42 : 5,715.15 = 2,278.42 : x
  2. Step 2: Convert to fraction form
    4,141.42/5,715.15 = 2,278.42/x
  3. Step 3: Cross multiply
    4,141.42x = 5,715.15 × 2,278.42
  4. Step 4: Simplify right side
    4,141.42x = 13,021,512.06
  5. Step 5: Solve for x
    x = 13,021,512.06/4,141.42
  6. Step 6: Final answer
    x = 3,144.21

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Half scale
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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.