Home / 1,883.38-2,824.83-1,187.95

Finding the Fourth Proportional to 1,883.38, 2,824.83 and 1,187.95

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Solution

The fourth proportional to 1,883.38, 2,824.83 and 1,187.95 is: 1,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.38 : 2,824.83 = 1,187.95 : x
  2. Step 2: Convert to fraction form
    1,883.38/2,824.83 = 1,187.95/x
  3. Step 3: Cross multiply
    1,883.38x = 2,824.83 × 1,187.95
  4. Step 4: Simplify right side
    1,883.38x = 3,355,756.80
  5. Step 5: Solve for x
    x = 3,355,756.80/1,883.38
  6. Step 6: Final answer
    x = 1,781.77

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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.