Home / 2,219.59-3,327.63-1,108.44

Finding the Fourth Proportional to 2,219.59, 3,327.63 and 1,108.44

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Solution

The fourth proportional to 2,219.59, 3,327.63 and 1,108.44 is: 1,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.59 : 3,327.63 = 1,108.44 : x
  2. Step 2: Convert to fraction form
    2,219.59/3,327.63 = 1,108.44/x
  3. Step 3: Cross multiply
    2,219.59x = 3,327.63 × 1,108.44
  4. Step 4: Simplify right side
    2,219.59x = 3,688,478.20
  5. Step 5: Solve for x
    x = 3,688,478.20/2,219.59
  6. Step 6: Final answer
    x = 1,661.78

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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.