Home / 2,756.27-3,791.52-2,307.93

Finding the Fourth Proportional to 2,756.27, 3,791.52 and 2,307.93

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Solution

The fourth proportional to 2,756.27, 3,791.52 and 2,307.93 is: 3,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.27 : 3,791.52 = 2,307.93 : x
  2. Step 2: Convert to fraction form
    2,756.27/3,791.52 = 2,307.93/x
  3. Step 3: Cross multiply
    2,756.27x = 3,791.52 × 2,307.93
  4. Step 4: Simplify right side
    2,756.27x = 8,750,562.75
  5. Step 5: Solve for x
    x = 8,750,562.75/2,756.27
  6. Step 6: Final answer
    x = 3,174.79

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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.