Home / 2,203.86-3,306.96-1,108.44

Finding the Fourth Proportional to 2,203.86, 3,306.96 and 1,108.44

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Solution

The fourth proportional to 2,203.86, 3,306.96 and 1,108.44 is: 1,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.86 : 3,306.96 = 1,108.44 : x
  2. Step 2: Convert to fraction form
    2,203.86/3,306.96 = 1,108.44/x
  3. Step 3: Cross multiply
    2,203.86x = 3,306.96 × 1,108.44
  4. Step 4: Simplify right side
    2,203.86x = 3,665,566.74
  5. Step 5: Solve for x
    x = 3,665,566.74/2,203.86
  6. Step 6: Final answer
    x = 1,663.25

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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.