Home / 2,971.22-4,452.43-1,214.10

Finding the Fourth Proportional to 2,971.22, 4,452.43 and 1,214.10

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Solution

The fourth proportional to 2,971.22, 4,452.43 and 1,214.10 is: 1,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.22 : 4,452.43 = 1,214.10 : x
  2. Step 2: Convert to fraction form
    2,971.22/4,452.43 = 1,214.10/x
  3. Step 3: Cross multiply
    2,971.22x = 4,452.43 × 1,214.10
  4. Step 4: Simplify right side
    2,971.22x = 5,405,702.47
  5. Step 5: Solve for x
    x = 5,405,702.47/2,971.22
  6. Step 6: Final answer
    x = 1,819.35

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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.