Home / 3,289-4,934.58-1,340.14

Finding the Fourth Proportional to 3,289, 4,934.58 and 1,340.14

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Solution

The fourth proportional to 3,289, 4,934.58 and 1,340.14 is: 2,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289 : 4,934.58 = 1,340.14 : x
  2. Step 2: Convert to fraction form
    3,289/4,934.58 = 1,340.14/x
  3. Step 3: Cross multiply
    3,289x = 4,934.58 × 1,340.14
  4. Step 4: Simplify right side
    3,289x = 6,613,028.04
  5. Step 5: Solve for x
    x = 6,613,028.04/3,289
  6. Step 6: Final answer
    x = 2,010.65

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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.