Home / 3,225.40-4,451.22-1,966.26

Finding the Fourth Proportional to 3,225.40, 4,451.22 and 1,966.26

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Solution

The fourth proportional to 3,225.40, 4,451.22 and 1,966.26 is: 2,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.40 : 4,451.22 = 1,966.26 : x
  2. Step 2: Convert to fraction form
    3,225.40/4,451.22 = 1,966.26/x
  3. Step 3: Cross multiply
    3,225.40x = 4,451.22 × 1,966.26
  4. Step 4: Simplify right side
    3,225.40x = 8,752,255.84
  5. Step 5: Solve for x
    x = 8,752,255.84/3,225.40
  6. Step 6: Final answer
    x = 2,713.54

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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.