Home / 2,902.12-4,349.61-1,145.36

Finding the Fourth Proportional to 2,902.12, 4,349.61 and 1,145.36

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Solution

The fourth proportional to 2,902.12, 4,349.61 and 1,145.36 is: 1,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.12 : 4,349.61 = 1,145.36 : x
  2. Step 2: Convert to fraction form
    2,902.12/4,349.61 = 1,145.36/x
  3. Step 3: Cross multiply
    2,902.12x = 4,349.61 × 1,145.36
  4. Step 4: Simplify right side
    2,902.12x = 4,981,869.31
  5. Step 5: Solve for x
    x = 4,981,869.31/2,902.12
  6. Step 6: Final answer
    x = 1,716.63

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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.