Home / 3,671.87-5,065.07-2,675.97

Finding the Fourth Proportional to 3,671.87, 5,065.07 and 2,675.97

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Solution

The fourth proportional to 3,671.87, 5,065.07 and 2,675.97 is: 3,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.87 : 5,065.07 = 2,675.97 : x
  2. Step 2: Convert to fraction form
    3,671.87/5,065.07 = 2,675.97/x
  3. Step 3: Cross multiply
    3,671.87x = 5,065.07 × 2,675.97
  4. Step 4: Simplify right side
    3,671.87x = 13,553,961.99
  5. Step 5: Solve for x
    x = 13,553,961.99/3,671.87
  6. Step 6: Final answer
    x = 3,691.30

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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.