Home / 2,912.58-4,367.34-1,449.96

Finding the Fourth Proportional to 2,912.58, 4,367.34 and 1,449.96

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Solution

The fourth proportional to 2,912.58, 4,367.34 and 1,449.96 is: 2,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.58 : 4,367.34 = 1,449.96 : x
  2. Step 2: Convert to fraction form
    2,912.58/4,367.34 = 1,449.96/x
  3. Step 3: Cross multiply
    2,912.58x = 4,367.34 × 1,449.96
  4. Step 4: Simplify right side
    2,912.58x = 6,332,468.31
  5. Step 5: Solve for x
    x = 6,332,468.31/2,912.58
  6. Step 6: Final answer
    x = 2,174.18

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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.