Home / 3,161.40-4,736.70-2,235.18

Finding the Fourth Proportional to 3,161.40, 4,736.70 and 2,235.18

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Solution

The fourth proportional to 3,161.40, 4,736.70 and 2,235.18 is: 3,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.40 : 4,736.70 = 2,235.18 : x
  2. Step 2: Convert to fraction form
    3,161.40/4,736.70 = 2,235.18/x
  3. Step 3: Cross multiply
    3,161.40x = 4,736.70 × 2,235.18
  4. Step 4: Simplify right side
    3,161.40x = 10,587,377.11
  5. Step 5: Solve for x
    x = 10,587,377.11/3,161.40
  6. Step 6: Final answer
    x = 3,348.95

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1.5x scale

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.