Home / 3,552.29-5,323.79-1,906.91

Finding the Fourth Proportional to 3,552.29, 5,323.79 and 1,906.91

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Solution

The fourth proportional to 3,552.29, 5,323.79 and 1,906.91 is: 2,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.29 : 5,323.79 = 1,906.91 : x
  2. Step 2: Convert to fraction form
    3,552.29/5,323.79 = 1,906.91/x
  3. Step 3: Cross multiply
    3,552.29x = 5,323.79 × 1,906.91
  4. Step 4: Simplify right side
    3,552.29x = 10,151,988.39
  5. Step 5: Solve for x
    x = 10,151,988.39/3,552.29
  6. Step 6: Final answer
    x = 2,857.87

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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.