Home / 3,436.83-5,149.88-2,658.75

Finding the Fourth Proportional to 3,436.83, 5,149.88 and 2,658.75

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Solution

The fourth proportional to 3,436.83, 5,149.88 and 2,658.75 is: 3,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.83 : 5,149.88 = 2,658.75 : x
  2. Step 2: Convert to fraction form
    3,436.83/5,149.88 = 2,658.75/x
  3. Step 3: Cross multiply
    3,436.83x = 5,149.88 × 2,658.75
  4. Step 4: Simplify right side
    3,436.83x = 13,692,243.45
  5. Step 5: Solve for x
    x = 13,692,243.45/3,436.83
  6. Step 6: Final answer
    x = 3,983.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.