Home / 2,928.69-4,393.44-1,082.39

Finding the Fourth Proportional to 2,928.69, 4,393.44 and 1,082.39

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Solution

The fourth proportional to 2,928.69, 4,393.44 and 1,082.39 is: 1,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.69 : 4,393.44 = 1,082.39 : x
  2. Step 2: Convert to fraction form
    2,928.69/4,393.44 = 1,082.39/x
  3. Step 3: Cross multiply
    2,928.69x = 4,393.44 × 1,082.39
  4. Step 4: Simplify right side
    2,928.69x = 4,755,393.55
  5. Step 5: Solve for x
    x = 4,755,393.55/2,928.69
  6. Step 6: Final answer
    x = 1,623.73

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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.