Home / 2,609.25-3,912.97-1,048.79

Finding the Fourth Proportional to 2,609.25, 3,912.97 and 1,048.79

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Solution

The fourth proportional to 2,609.25, 3,912.97 and 1,048.79 is: 1,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.25 : 3,912.97 = 1,048.79 : x
  2. Step 2: Convert to fraction form
    2,609.25/3,912.97 = 1,048.79/x
  3. Step 3: Cross multiply
    2,609.25x = 3,912.97 × 1,048.79
  4. Step 4: Simplify right side
    2,609.25x = 4,103,883.81
  5. Step 5: Solve for x
    x = 4,103,883.81/2,609.25
  6. Step 6: Final answer
    x = 1,572.82

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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.