Home / 2,912.76-4,015.08-2,323.44

Finding the Fourth Proportional to 2,912.76, 4,015.08 and 2,323.44

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Solution

The fourth proportional to 2,912.76, 4,015.08 and 2,323.44 is: 3,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.76 : 4,015.08 = 2,323.44 : x
  2. Step 2: Convert to fraction form
    2,912.76/4,015.08 = 2,323.44/x
  3. Step 3: Cross multiply
    2,912.76x = 4,015.08 × 2,323.44
  4. Step 4: Simplify right side
    2,912.76x = 9,328,797.48
  5. Step 5: Solve for x
    x = 9,328,797.48/2,912.76
  6. Step 6: Final answer
    x = 3,202.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.