Home / 3,201.10-4,411.62-2,315.38

Finding the Fourth Proportional to 3,201.10, 4,411.62 and 2,315.38

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Solution

The fourth proportional to 3,201.10, 4,411.62 and 2,315.38 is: 3,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.10 : 4,411.62 = 2,315.38 : x
  2. Step 2: Convert to fraction form
    3,201.10/4,411.62 = 2,315.38/x
  3. Step 3: Cross multiply
    3,201.10x = 4,411.62 × 2,315.38
  4. Step 4: Simplify right side
    3,201.10x = 10,214,576.72
  5. Step 5: Solve for x
    x = 10,214,576.72/3,201.10
  6. Step 6: Final answer
    x = 3,190.96

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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.