Home / 2,572.57-3,859.03-1,273.69

Finding the Fourth Proportional to 2,572.57, 3,859.03 and 1,273.69

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Solution

The fourth proportional to 2,572.57, 3,859.03 and 1,273.69 is: 1,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.57 : 3,859.03 = 1,273.69 : x
  2. Step 2: Convert to fraction form
    2,572.57/3,859.03 = 1,273.69/x
  3. Step 3: Cross multiply
    2,572.57x = 3,859.03 × 1,273.69
  4. Step 4: Simplify right side
    2,572.57x = 4,915,207.92
  5. Step 5: Solve for x
    x = 4,915,207.92/2,572.57
  6. Step 6: Final answer
    x = 1,910.62

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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.