Home / 3,908.48-5,863.67-1,135.08

Finding the Fourth Proportional to 3,908.48, 5,863.67 and 1,135.08

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Solution

The fourth proportional to 3,908.48, 5,863.67 and 1,135.08 is: 1,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.48 : 5,863.67 = 1,135.08 : x
  2. Step 2: Convert to fraction form
    3,908.48/5,863.67 = 1,135.08/x
  3. Step 3: Cross multiply
    3,908.48x = 5,863.67 × 1,135.08
  4. Step 4: Simplify right side
    3,908.48x = 6,655,728.87
  5. Step 5: Solve for x
    x = 6,655,728.87/3,908.48
  6. Step 6: Final answer
    x = 1,702.90

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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.