Home / 1,920.29-2,882.86-1,633.55

Finding the Fourth Proportional to 1,920.29, 2,882.86 and 1,633.55

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Solution

The fourth proportional to 1,920.29, 2,882.86 and 1,633.55 is: 2,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.29 : 2,882.86 = 1,633.55 : x
  2. Step 2: Convert to fraction form
    1,920.29/2,882.86 = 1,633.55/x
  3. Step 3: Cross multiply
    1,920.29x = 2,882.86 × 1,633.55
  4. Step 4: Simplify right side
    1,920.29x = 4,709,277.45
  5. Step 5: Solve for x
    x = 4,709,277.45/1,920.29
  6. Step 6: Final answer
    x = 2,452.38

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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.