Home / 3,261.96-4,871.79-2,824.56

Finding the Fourth Proportional to 3,261.96, 4,871.79 and 2,824.56

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Solution

The fourth proportional to 3,261.96, 4,871.79 and 2,824.56 is: 4,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.96 : 4,871.79 = 2,824.56 : x
  2. Step 2: Convert to fraction form
    3,261.96/4,871.79 = 2,824.56/x
  3. Step 3: Cross multiply
    3,261.96x = 4,871.79 × 2,824.56
  4. Step 4: Simplify right side
    3,261.96x = 13,760,663.16
  5. Step 5: Solve for x
    x = 13,760,663.16/3,261.96
  6. Step 6: Final answer
    x = 4,218.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.