Home / 2,884.38-4,329.30-1,785.42

Finding the Fourth Proportional to 2,884.38, 4,329.30 and 1,785.42

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Solution

The fourth proportional to 2,884.38, 4,329.30 and 1,785.42 is: 2,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.38 : 4,329.30 = 1,785.42 : x
  2. Step 2: Convert to fraction form
    2,884.38/4,329.30 = 1,785.42/x
  3. Step 3: Cross multiply
    2,884.38x = 4,329.30 × 1,785.42
  4. Step 4: Simplify right side
    2,884.38x = 7,729,618.81
  5. Step 5: Solve for x
    x = 7,729,618.81/2,884.38
  6. Step 6: Final answer
    x = 2,679.82

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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.