Home / 2,278.50-3,144.34-1,334.94

Finding the Fourth Proportional to 2,278.50, 3,144.34 and 1,334.94

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Solution

The fourth proportional to 2,278.50, 3,144.34 and 1,334.94 is: 1,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.50 : 3,144.34 = 1,334.94 : x
  2. Step 2: Convert to fraction form
    2,278.50/3,144.34 = 1,334.94/x
  3. Step 3: Cross multiply
    2,278.50x = 3,144.34 × 1,334.94
  4. Step 4: Simplify right side
    2,278.50x = 4,197,505.24
  5. Step 5: Solve for x
    x = 4,197,505.24/2,278.50
  6. Step 6: Final answer
    x = 1,842.22

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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.