Home / 2,446.29-3,670.62-1,213.47

Finding the Fourth Proportional to 2,446.29, 3,670.62 and 1,213.47

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Solution

The fourth proportional to 2,446.29, 3,670.62 and 1,213.47 is: 1,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.29 : 3,670.62 = 1,213.47 : x
  2. Step 2: Convert to fraction form
    2,446.29/3,670.62 = 1,213.47/x
  3. Step 3: Cross multiply
    2,446.29x = 3,670.62 × 1,213.47
  4. Step 4: Simplify right side
    2,446.29x = 4,454,187.25
  5. Step 5: Solve for x
    x = 4,454,187.25/2,446.29
  6. Step 6: Final answer
    x = 1,820.79

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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.