Home / 2,682.34-4,023.32-928.18

Finding the Fourth Proportional to 2,682.34, 4,023.32 and 928.18

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Solution

The fourth proportional to 2,682.34, 4,023.32 and 928.18 is: 1,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.34 : 4,023.32 = 928.18 : x
  2. Step 2: Convert to fraction form
    2,682.34/4,023.32 = 928.18/x
  3. Step 3: Cross multiply
    2,682.34x = 4,023.32 × 928.18
  4. Step 4: Simplify right side
    2,682.34x = 3,734,382.08
  5. Step 5: Solve for x
    x = 3,734,382.08/2,682.34
  6. Step 6: Final answer
    x = 1,392.21

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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.