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Finding the Fourth Proportional to 3,375.68, 4,658.45 and 2,048.49

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Solution

The fourth proportional to 3,375.68, 4,658.45 and 2,048.49 is: 2,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.68 : 4,658.45 = 2,048.49 : x
  2. Step 2: Convert to fraction form
    3,375.68/4,658.45 = 2,048.49/x
  3. Step 3: Cross multiply
    3,375.68x = 4,658.45 × 2,048.49
  4. Step 4: Simplify right side
    3,375.68x = 9,542,778.00
  5. Step 5: Solve for x
    x = 9,542,778.00/3,375.68
  6. Step 6: Final answer
    x = 2,826.92

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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.