Home / 2,446.90-3,670.56-1,213.07

Finding the Fourth Proportional to 2,446.90, 3,670.56 and 1,213.07

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Solution

The fourth proportional to 2,446.90, 3,670.56 and 1,213.07 is: 1,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.90 : 3,670.56 = 1,213.07 : x
  2. Step 2: Convert to fraction form
    2,446.90/3,670.56 = 1,213.07/x
  3. Step 3: Cross multiply
    2,446.90x = 3,670.56 × 1,213.07
  4. Step 4: Simplify right side
    2,446.90x = 4,452,627.87
  5. Step 5: Solve for x
    x = 4,452,627.87/2,446.90
  6. Step 6: Final answer
    x = 1,819.70

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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.