Home / 2,660.12-3,981.97-2,433.32

Finding the Fourth Proportional to 2,660.12, 3,981.97 and 2,433.32

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Solution

The fourth proportional to 2,660.12, 3,981.97 and 2,433.32 is: 3,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.12 : 3,981.97 = 2,433.32 : x
  2. Step 2: Convert to fraction form
    2,660.12/3,981.97 = 2,433.32/x
  3. Step 3: Cross multiply
    2,660.12x = 3,981.97 × 2,433.32
  4. Step 4: Simplify right side
    2,660.12x = 9,689,407.24
  5. Step 5: Solve for x
    x = 9,689,407.24/2,660.12
  6. Step 6: Final answer
    x = 3,642.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.