Home / 2,097.27-2,894.22-1,213.20

Finding the Fourth Proportional to 2,097.27, 2,894.22 and 1,213.20

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Solution

The fourth proportional to 2,097.27, 2,894.22 and 1,213.20 is: 1,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.27 : 2,894.22 = 1,213.20 : x
  2. Step 2: Convert to fraction form
    2,097.27/2,894.22 = 1,213.20/x
  3. Step 3: Cross multiply
    2,097.27x = 2,894.22 × 1,213.20
  4. Step 4: Simplify right side
    2,097.27x = 3,511,267.70
  5. Step 5: Solve for x
    x = 3,511,267.70/2,097.27
  6. Step 6: Final answer
    x = 1,674.21

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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.