Home / 3,471.10-5,206.64-1,391.62

Finding the Fourth Proportional to 3,471.10, 5,206.64 and 1,391.62

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Solution

The fourth proportional to 3,471.10, 5,206.64 and 1,391.62 is: 2,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.10 : 5,206.64 = 1,391.62 : x
  2. Step 2: Convert to fraction form
    3,471.10/5,206.64 = 1,391.62/x
  3. Step 3: Cross multiply
    3,471.10x = 5,206.64 × 1,391.62
  4. Step 4: Simplify right side
    3,471.10x = 7,245,664.36
  5. Step 5: Solve for x
    x = 7,245,664.36/3,471.10
  6. Step 6: Final answer
    x = 2,087.43

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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.