Home / 2,219.86-3,326.97-1,180.36

Finding the Fourth Proportional to 2,219.86, 3,326.97 and 1,180.36

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Solution

The fourth proportional to 2,219.86, 3,326.97 and 1,180.36 is: 1,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.86 : 3,326.97 = 1,180.36 : x
  2. Step 2: Convert to fraction form
    2,219.86/3,326.97 = 1,180.36/x
  3. Step 3: Cross multiply
    2,219.86x = 3,326.97 × 1,180.36
  4. Step 4: Simplify right side
    2,219.86x = 3,927,033.61
  5. Step 5: Solve for x
    x = 3,927,033.61/2,219.86
  6. Step 6: Final answer
    x = 1,769.04

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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.