Home / 2,234.19-3,345.89-1,120.11

Finding the Fourth Proportional to 2,234.19, 3,345.89 and 1,120.11

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Solution

The fourth proportional to 2,234.19, 3,345.89 and 1,120.11 is: 1,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.19 : 3,345.89 = 1,120.11 : x
  2. Step 2: Convert to fraction form
    2,234.19/3,345.89 = 1,120.11/x
  3. Step 3: Cross multiply
    2,234.19x = 3,345.89 × 1,120.11
  4. Step 4: Simplify right side
    2,234.19x = 3,747,764.85
  5. Step 5: Solve for x
    x = 3,747,764.85/2,234.19
  6. Step 6: Final answer
    x = 1,677.46

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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.