Home / 3,278.79-4,524.80-2,571.48

Finding the Fourth Proportional to 3,278.79, 4,524.80 and 2,571.48

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Solution

The fourth proportional to 3,278.79, 4,524.80 and 2,571.48 is: 3,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.79 : 4,524.80 = 2,571.48 : x
  2. Step 2: Convert to fraction form
    3,278.79/4,524.80 = 2,571.48/x
  3. Step 3: Cross multiply
    3,278.79x = 4,524.80 × 2,571.48
  4. Step 4: Simplify right side
    3,278.79x = 11,635,419.85
  5. Step 5: Solve for x
    x = 11,635,419.85/3,278.79
  6. Step 6: Final answer
    x = 3,548.69

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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.