Home / 2,412.12-3,620.61-1,629.66

Finding the Fourth Proportional to 2,412.12, 3,620.61 and 1,629.66

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Solution

The fourth proportional to 2,412.12, 3,620.61 and 1,629.66 is: 2,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.12 : 3,620.61 = 1,629.66 : x
  2. Step 2: Convert to fraction form
    2,412.12/3,620.61 = 1,629.66/x
  3. Step 3: Cross multiply
    2,412.12x = 3,620.61 × 1,629.66
  4. Step 4: Simplify right side
    2,412.12x = 5,900,363.29
  5. Step 5: Solve for x
    x = 5,900,363.29/2,412.12
  6. Step 6: Final answer
    x = 2,446.13

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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.