Home / 2,320.92-3,201-2,040.56

Finding the Fourth Proportional to 2,320.92, 3,201 and 2,040.56

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Solution

The fourth proportional to 2,320.92, 3,201 and 2,040.56 is: 2,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.92 : 3,201 = 2,040.56 : x
  2. Step 2: Convert to fraction form
    2,320.92/3,201 = 2,040.56/x
  3. Step 3: Cross multiply
    2,320.92x = 3,201 × 2,040.56
  4. Step 4: Simplify right side
    2,320.92x = 6,531,832.56
  5. Step 5: Solve for x
    x = 6,531,832.56/2,320.92
  6. Step 6: Final answer
    x = 2,814.33

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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.