Home / 2,919.34-4,027.19-1,975.17

Finding the Fourth Proportional to 2,919.34, 4,027.19 and 1,975.17

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Solution

The fourth proportional to 2,919.34, 4,027.19 and 1,975.17 is: 2,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.34 : 4,027.19 = 1,975.17 : x
  2. Step 2: Convert to fraction form
    2,919.34/4,027.19 = 1,975.17/x
  3. Step 3: Cross multiply
    2,919.34x = 4,027.19 × 1,975.17
  4. Step 4: Simplify right side
    2,919.34x = 7,954,375.00
  5. Step 5: Solve for x
    x = 7,954,375.00/2,919.34
  6. Step 6: Final answer
    x = 2,724.72

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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.