Home / 2,894.22-4,346.82-1,806.21

Finding the Fourth Proportional to 2,894.22, 4,346.82 and 1,806.21

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Solution

The fourth proportional to 2,894.22, 4,346.82 and 1,806.21 is: 2,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.22 : 4,346.82 = 1,806.21 : x
  2. Step 2: Convert to fraction form
    2,894.22/4,346.82 = 1,806.21/x
  3. Step 3: Cross multiply
    2,894.22x = 4,346.82 × 1,806.21
  4. Step 4: Simplify right side
    2,894.22x = 7,851,269.75
  5. Step 5: Solve for x
    x = 7,851,269.75/2,894.22
  6. Step 6: Final answer
    x = 2,712.74

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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.