Home / 3,559.70-4,910.09-2,162.45

Finding the Fourth Proportional to 3,559.70, 4,910.09 and 2,162.45

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Solution

The fourth proportional to 3,559.70, 4,910.09 and 2,162.45 is: 2,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.70 : 4,910.09 = 2,162.45 : x
  2. Step 2: Convert to fraction form
    3,559.70/4,910.09 = 2,162.45/x
  3. Step 3: Cross multiply
    3,559.70x = 4,910.09 × 2,162.45
  4. Step 4: Simplify right side
    3,559.70x = 10,617,824.12
  5. Step 5: Solve for x
    x = 10,617,824.12/3,559.70
  6. Step 6: Final answer
    x = 2,982.79

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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.