Home / 2,219.34-3,062.66-1,224.62

Finding the Fourth Proportional to 2,219.34, 3,062.66 and 1,224.62

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Solution

The fourth proportional to 2,219.34, 3,062.66 and 1,224.62 is: 1,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.34 : 3,062.66 = 1,224.62 : x
  2. Step 2: Convert to fraction form
    2,219.34/3,062.66 = 1,224.62/x
  3. Step 3: Cross multiply
    2,219.34x = 3,062.66 × 1,224.62
  4. Step 4: Simplify right side
    2,219.34x = 3,750,594.69
  5. Step 5: Solve for x
    x = 3,750,594.69/2,219.34
  6. Step 6: Final answer
    x = 1,689.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.