Home / 2,272.68-3,134.34-2,042.28

Finding the Fourth Proportional to 2,272.68, 3,134.34 and 2,042.28

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Solution

The fourth proportional to 2,272.68, 3,134.34 and 2,042.28 is: 2,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.68 : 3,134.34 = 2,042.28 : x
  2. Step 2: Convert to fraction form
    2,272.68/3,134.34 = 2,042.28/x
  3. Step 3: Cross multiply
    2,272.68x = 3,134.34 × 2,042.28
  4. Step 4: Simplify right side
    2,272.68x = 6,401,199.90
  5. Step 5: Solve for x
    x = 6,401,199.90/2,272.68
  6. Step 6: Final answer
    x = 2,816.59

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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.