Home / 2,286.92-3,436.55-1,247.69

Finding the Fourth Proportional to 2,286.92, 3,436.55 and 1,247.69

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Solution

The fourth proportional to 2,286.92, 3,436.55 and 1,247.69 is: 1,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.92 : 3,436.55 = 1,247.69 : x
  2. Step 2: Convert to fraction form
    2,286.92/3,436.55 = 1,247.69/x
  3. Step 3: Cross multiply
    2,286.92x = 3,436.55 × 1,247.69
  4. Step 4: Simplify right side
    2,286.92x = 4,287,749.07
  5. Step 5: Solve for x
    x = 4,287,749.07/2,286.92
  6. Step 6: Final answer
    x = 1,874.90

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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.