Home / 3,161.53-4,363.23-2,170.09

Finding the Fourth Proportional to 3,161.53, 4,363.23 and 2,170.09

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Solution

The fourth proportional to 3,161.53, 4,363.23 and 2,170.09 is: 2,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.53 : 4,363.23 = 2,170.09 : x
  2. Step 2: Convert to fraction form
    3,161.53/4,363.23 = 2,170.09/x
  3. Step 3: Cross multiply
    3,161.53x = 4,363.23 × 2,170.09
  4. Step 4: Simplify right side
    3,161.53x = 9,468,601.79
  5. Step 5: Solve for x
    x = 9,468,601.79/3,161.53
  6. Step 6: Final answer
    x = 2,994.94

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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.