Home / 2,077.26-2,865.42-1,369.24

Finding the Fourth Proportional to 2,077.26, 2,865.42 and 1,369.24

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Solution

The fourth proportional to 2,077.26, 2,865.42 and 1,369.24 is: 1,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.26 : 2,865.42 = 1,369.24 : x
  2. Step 2: Convert to fraction form
    2,077.26/2,865.42 = 1,369.24/x
  3. Step 3: Cross multiply
    2,077.26x = 2,865.42 × 1,369.24
  4. Step 4: Simplify right side
    2,077.26x = 3,923,447.68
  5. Step 5: Solve for x
    x = 3,923,447.68/2,077.26
  6. Step 6: Final answer
    x = 1,888.76

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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.