Home / 2,542.20-3,812.82-1,242.84

Finding the Fourth Proportional to 2,542.20, 3,812.82 and 1,242.84

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Solution

The fourth proportional to 2,542.20, 3,812.82 and 1,242.84 is: 1,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.20 : 3,812.82 = 1,242.84 : x
  2. Step 2: Convert to fraction form
    2,542.20/3,812.82 = 1,242.84/x
  3. Step 3: Cross multiply
    2,542.20x = 3,812.82 × 1,242.84
  4. Step 4: Simplify right side
    2,542.20x = 4,738,725.21
  5. Step 5: Solve for x
    x = 4,738,725.21/2,542.20
  6. Step 6: Final answer
    x = 1,864.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.