Home / 2,219.36-3,327.95-1,179.86

Finding the Fourth Proportional to 2,219.36, 3,327.95 and 1,179.86

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Solution

The fourth proportional to 2,219.36, 3,327.95 and 1,179.86 is: 1,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.36 : 3,327.95 = 1,179.86 : x
  2. Step 2: Convert to fraction form
    2,219.36/3,327.95 = 1,179.86/x
  3. Step 3: Cross multiply
    2,219.36x = 3,327.95 × 1,179.86
  4. Step 4: Simplify right side
    2,219.36x = 3,926,501.40
  5. Step 5: Solve for x
    x = 3,926,501.40/2,219.36
  6. Step 6: Final answer
    x = 1,769.21

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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.