Home / 2,858.38-4,286.76-1,471.27

Finding the Fourth Proportional to 2,858.38, 4,286.76 and 1,471.27

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Solution

The fourth proportional to 2,858.38, 4,286.76 and 1,471.27 is: 2,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.38 : 4,286.76 = 1,471.27 : x
  2. Step 2: Convert to fraction form
    2,858.38/4,286.76 = 1,471.27/x
  3. Step 3: Cross multiply
    2,858.38x = 4,286.76 × 1,471.27
  4. Step 4: Simplify right side
    2,858.38x = 6,306,981.39
  5. Step 5: Solve for x
    x = 6,306,981.39/2,858.38
  6. Step 6: Final answer
    x = 2,206.49

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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.