Home / 2,320.91-3,201.19-1,480.75

Finding the Fourth Proportional to 2,320.91, 3,201.19 and 1,480.75

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Solution

The fourth proportional to 2,320.91, 3,201.19 and 1,480.75 is: 2,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.91 : 3,201.19 = 1,480.75 : x
  2. Step 2: Convert to fraction form
    2,320.91/3,201.19 = 1,480.75/x
  3. Step 3: Cross multiply
    2,320.91x = 3,201.19 × 1,480.75
  4. Step 4: Simplify right side
    2,320.91x = 4,740,162.09
  5. Step 5: Solve for x
    x = 4,740,162.09/2,320.91
  6. Step 6: Final answer
    x = 2,042.37

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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.