Home / 3,251.82-4,838.80-3,240.89

Finding the Fourth Proportional to 3,251.82, 4,838.80 and 3,240.89

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Solution

The fourth proportional to 3,251.82, 4,838.80 and 3,240.89 is: 4,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.82 : 4,838.80 = 3,240.89 : x
  2. Step 2: Convert to fraction form
    3,251.82/4,838.80 = 3,240.89/x
  3. Step 3: Cross multiply
    3,251.82x = 4,838.80 × 3,240.89
  4. Step 4: Simplify right side
    3,251.82x = 15,681,986.24
  5. Step 5: Solve for x
    x = 15,681,986.24/3,251.82
  6. Step 6: Final answer
    x = 4,822.53

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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.