Home / 3,896.91-5,847.27-1,705.32

Finding the Fourth Proportional to 3,896.91, 5,847.27 and 1,705.32

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Solution

The fourth proportional to 3,896.91, 5,847.27 and 1,705.32 is: 2,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.91 : 5,847.27 = 1,705.32 : x
  2. Step 2: Convert to fraction form
    3,896.91/5,847.27 = 1,705.32/x
  3. Step 3: Cross multiply
    3,896.91x = 5,847.27 × 1,705.32
  4. Step 4: Simplify right side
    3,896.91x = 9,971,466.48
  5. Step 5: Solve for x
    x = 9,971,466.48/3,896.91
  6. Step 6: Final answer
    x = 2,558.81

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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.