Home / 2,620.27-3,930.54-1,159.44

Finding the Fourth Proportional to 2,620.27, 3,930.54 and 1,159.44

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Solution

The fourth proportional to 2,620.27, 3,930.54 and 1,159.44 is: 1,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.27 : 3,930.54 = 1,159.44 : x
  2. Step 2: Convert to fraction form
    2,620.27/3,930.54 = 1,159.44/x
  3. Step 3: Cross multiply
    2,620.27x = 3,930.54 × 1,159.44
  4. Step 4: Simplify right side
    2,620.27x = 4,557,225.30
  5. Step 5: Solve for x
    x = 4,557,225.30/2,620.27
  6. Step 6: Final answer
    x = 1,739.22

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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.