Home / 2,023.75-2,791.60-1,277.44

Finding the Fourth Proportional to 2,023.75, 2,791.60 and 1,277.44

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Solution

The fourth proportional to 2,023.75, 2,791.60 and 1,277.44 is: 1,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.75 : 2,791.60 = 1,277.44 : x
  2. Step 2: Convert to fraction form
    2,023.75/2,791.60 = 1,277.44/x
  3. Step 3: Cross multiply
    2,023.75x = 2,791.60 × 1,277.44
  4. Step 4: Simplify right side
    2,023.75x = 3,566,101.50
  5. Step 5: Solve for x
    x = 3,566,101.50/2,023.75
  6. Step 6: Final answer
    x = 1,762.13

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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.