Home / 2,319.38-3,179.27-2,288.24

Finding the Fourth Proportional to 2,319.38, 3,179.27 and 2,288.24

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Solution

The fourth proportional to 2,319.38, 3,179.27 and 2,288.24 is: 3,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.38 : 3,179.27 = 2,288.24 : x
  2. Step 2: Convert to fraction form
    2,319.38/3,179.27 = 2,288.24/x
  3. Step 3: Cross multiply
    2,319.38x = 3,179.27 × 2,288.24
  4. Step 4: Simplify right side
    2,319.38x = 7,274,905.45
  5. Step 5: Solve for x
    x = 7,274,905.45/2,319.38
  6. Step 6: Final answer
    x = 3,136.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.