Home / 3,161.70-4,745.13-2,238.15

Finding the Fourth Proportional to 3,161.70, 4,745.13 and 2,238.15

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Solution

The fourth proportional to 3,161.70, 4,745.13 and 2,238.15 is: 3,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.70 : 4,745.13 = 2,238.15 : x
  2. Step 2: Convert to fraction form
    3,161.70/4,745.13 = 2,238.15/x
  3. Step 3: Cross multiply
    3,161.70x = 4,745.13 × 2,238.15
  4. Step 4: Simplify right side
    3,161.70x = 10,620,312.71
  5. Step 5: Solve for x
    x = 10,620,312.71/3,161.70
  6. Step 6: Final answer
    x = 3,359.05

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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.