Home / 3,197.81-4,799.45-1,251.38

Finding the Fourth Proportional to 3,197.81, 4,799.45 and 1,251.38

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Solution

The fourth proportional to 3,197.81, 4,799.45 and 1,251.38 is: 1,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.81 : 4,799.45 = 1,251.38 : x
  2. Step 2: Convert to fraction form
    3,197.81/4,799.45 = 1,251.38/x
  3. Step 3: Cross multiply
    3,197.81x = 4,799.45 × 1,251.38
  4. Step 4: Simplify right side
    3,197.81x = 6,005,950.87
  5. Step 5: Solve for x
    x = 6,005,950.87/3,197.81
  6. Step 6: Final answer
    x = 1,878.14

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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.