Home / 2,188.27-3,019.85-1,244.04

Finding the Fourth Proportional to 2,188.27, 3,019.85 and 1,244.04

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Solution

The fourth proportional to 2,188.27, 3,019.85 and 1,244.04 is: 1,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.27 : 3,019.85 = 1,244.04 : x
  2. Step 2: Convert to fraction form
    2,188.27/3,019.85 = 1,244.04/x
  3. Step 3: Cross multiply
    2,188.27x = 3,019.85 × 1,244.04
  4. Step 4: Simplify right side
    2,188.27x = 3,756,814.19
  5. Step 5: Solve for x
    x = 3,756,814.19/2,188.27
  6. Step 6: Final answer
    x = 1,716.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.