Home / 2,919.37-4,027.68-2,247.38

Finding the Fourth Proportional to 2,919.37, 4,027.68 and 2,247.38

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Solution

The fourth proportional to 2,919.37, 4,027.68 and 2,247.38 is: 3,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.37 : 4,027.68 = 2,247.38 : x
  2. Step 2: Convert to fraction form
    2,919.37/4,027.68 = 2,247.38/x
  3. Step 3: Cross multiply
    2,919.37x = 4,027.68 × 2,247.38
  4. Step 4: Simplify right side
    2,919.37x = 9,051,744.28
  5. Step 5: Solve for x
    x = 9,051,744.28/2,919.37
  6. Step 6: Final answer
    x = 3,100.58

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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.