Home / 2,291.68-3,162.49-1,296.93

Finding the Fourth Proportional to 2,291.68, 3,162.49 and 1,296.93

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Solution

The fourth proportional to 2,291.68, 3,162.49 and 1,296.93 is: 1,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.68 : 3,162.49 = 1,296.93 : x
  2. Step 2: Convert to fraction form
    2,291.68/3,162.49 = 1,296.93/x
  3. Step 3: Cross multiply
    2,291.68x = 3,162.49 × 1,296.93
  4. Step 4: Simplify right side
    2,291.68x = 4,101,528.16
  5. Step 5: Solve for x
    x = 4,101,528.16/2,291.68
  6. Step 6: Final answer
    x = 1,789.75

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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.