Home / 2,920.62-4,027.61-2,360.72

Finding the Fourth Proportional to 2,920.62, 4,027.61 and 2,360.72

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Solution

The fourth proportional to 2,920.62, 4,027.61 and 2,360.72 is: 3,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.62 : 4,027.61 = 2,360.72 : x
  2. Step 2: Convert to fraction form
    2,920.62/4,027.61 = 2,360.72/x
  3. Step 3: Cross multiply
    2,920.62x = 4,027.61 × 2,360.72
  4. Step 4: Simplify right side
    2,920.62x = 9,508,027.54
  5. Step 5: Solve for x
    x = 9,508,027.54/2,920.62
  6. Step 6: Final answer
    x = 3,255.48

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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.