Home / 3,135.16-4,324.62-2,072.92

Finding the Fourth Proportional to 3,135.16, 4,324.62 and 2,072.92

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Solution

The fourth proportional to 3,135.16, 4,324.62 and 2,072.92 is: 2,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.16 : 4,324.62 = 2,072.92 : x
  2. Step 2: Convert to fraction form
    3,135.16/4,324.62 = 2,072.92/x
  3. Step 3: Cross multiply
    3,135.16x = 4,324.62 × 2,072.92
  4. Step 4: Simplify right side
    3,135.16x = 8,964,591.29
  5. Step 5: Solve for x
    x = 8,964,591.29/3,135.16
  6. Step 6: Final answer
    x = 2,859.37

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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.