Home / 3,506.97-4,839.50-2,109.45

Finding the Fourth Proportional to 3,506.97, 4,839.50 and 2,109.45

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Solution

The fourth proportional to 3,506.97, 4,839.50 and 2,109.45 is: 2,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.97 : 4,839.50 = 2,109.45 : x
  2. Step 2: Convert to fraction form
    3,506.97/4,839.50 = 2,109.45/x
  3. Step 3: Cross multiply
    3,506.97x = 4,839.50 × 2,109.45
  4. Step 4: Simplify right side
    3,506.97x = 10,208,672.73
  5. Step 5: Solve for x
    x = 10,208,672.73/3,506.97
  6. Step 6: Final answer
    x = 2,910.97

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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.