Home / 3,206.91-4,425.26-1,790.49

Finding the Fourth Proportional to 3,206.91, 4,425.26 and 1,790.49

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Solution

The fourth proportional to 3,206.91, 4,425.26 and 1,790.49 is: 2,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.91 : 4,425.26 = 1,790.49 : x
  2. Step 2: Convert to fraction form
    3,206.91/4,425.26 = 1,790.49/x
  3. Step 3: Cross multiply
    3,206.91x = 4,425.26 × 1,790.49
  4. Step 4: Simplify right side
    3,206.91x = 7,923,374.82
  5. Step 5: Solve for x
    x = 7,923,374.82/3,206.91
  6. Step 6: Final answer
    x = 2,470.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.