Home / 3,304.75-4,559.30-2,109.78

Finding the Fourth Proportional to 3,304.75, 4,559.30 and 2,109.78

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Solution

The fourth proportional to 3,304.75, 4,559.30 and 2,109.78 is: 2,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.75 : 4,559.30 = 2,109.78 : x
  2. Step 2: Convert to fraction form
    3,304.75/4,559.30 = 2,109.78/x
  3. Step 3: Cross multiply
    3,304.75x = 4,559.30 × 2,109.78
  4. Step 4: Simplify right side
    3,304.75x = 9,619,125.23
  5. Step 5: Solve for x
    x = 9,619,125.23/3,304.75
  6. Step 6: Final answer
    x = 2,910.70

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1.5x scale

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.