Home / 3,220.09-4,441.91-2,039.11

Finding the Fourth Proportional to 3,220.09, 4,441.91 and 2,039.11

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Solution

The fourth proportional to 3,220.09, 4,441.91 and 2,039.11 is: 2,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.09 : 4,441.91 = 2,039.11 : x
  2. Step 2: Convert to fraction form
    3,220.09/4,441.91 = 2,039.11/x
  3. Step 3: Cross multiply
    3,220.09x = 4,441.91 × 2,039.11
  4. Step 4: Simplify right side
    3,220.09x = 9,057,521.80
  5. Step 5: Solve for x
    x = 9,057,521.80/3,220.09
  6. Step 6: Final answer
    x = 2,812.82

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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.