Home / 3,209.19-4,802.82-2,689.77

Finding the Fourth Proportional to 3,209.19, 4,802.82 and 2,689.77

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Solution

The fourth proportional to 3,209.19, 4,802.82 and 2,689.77 is: 4,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.19 : 4,802.82 = 2,689.77 : x
  2. Step 2: Convert to fraction form
    3,209.19/4,802.82 = 2,689.77/x
  3. Step 3: Cross multiply
    3,209.19x = 4,802.82 × 2,689.77
  4. Step 4: Simplify right side
    3,209.19x = 12,918,481.15
  5. Step 5: Solve for x
    x = 12,918,481.15/3,209.19
  6. Step 6: Final answer
    x = 4,025.46

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1.5x scale

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.