Home / 2,261.12-3,390.46-700.65

Finding the Fourth Proportional to 2,261.12, 3,390.46 and 700.65

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Solution

The fourth proportional to 2,261.12, 3,390.46 and 700.65 is: 1,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.12 : 3,390.46 = 700.65 : x
  2. Step 2: Convert to fraction form
    2,261.12/3,390.46 = 700.65/x
  3. Step 3: Cross multiply
    2,261.12x = 3,390.46 × 700.65
  4. Step 4: Simplify right side
    2,261.12x = 2,375,524.05
  5. Step 5: Solve for x
    x = 2,375,524.05/2,261.12
  6. Step 6: Final answer
    x = 1,050.60

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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.