Home / 3,869.71-5,799.49-1,789.44

Finding the Fourth Proportional to 3,869.71, 5,799.49 and 1,789.44

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Solution

The fourth proportional to 3,869.71, 5,799.49 and 1,789.44 is: 2,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.71 : 5,799.49 = 1,789.44 : x
  2. Step 2: Convert to fraction form
    3,869.71/5,799.49 = 1,789.44/x
  3. Step 3: Cross multiply
    3,869.71x = 5,799.49 × 1,789.44
  4. Step 4: Simplify right side
    3,869.71x = 10,377,839.39
  5. Step 5: Solve for x
    x = 10,377,839.39/3,869.71
  6. Step 6: Final answer
    x = 2,681.81

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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.