Home / 3,854.80-5,772.88-2,206.35

Finding the Fourth Proportional to 3,854.80, 5,772.88 and 2,206.35

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Solution

The fourth proportional to 3,854.80, 5,772.88 and 2,206.35 is: 3,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.80 : 5,772.88 = 2,206.35 : x
  2. Step 2: Convert to fraction form
    3,854.80/5,772.88 = 2,206.35/x
  3. Step 3: Cross multiply
    3,854.80x = 5,772.88 × 2,206.35
  4. Step 4: Simplify right side
    3,854.80x = 12,736,993.79
  5. Step 5: Solve for x
    x = 12,736,993.79/3,854.80
  6. Step 6: Final answer
    x = 3,304.19

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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.