Home / 3,910.12-5,863.02-1,603.24

Finding the Fourth Proportional to 3,910.12, 5,863.02 and 1,603.24

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Solution

The fourth proportional to 3,910.12, 5,863.02 and 1,603.24 is: 2,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.12 : 5,863.02 = 1,603.24 : x
  2. Step 2: Convert to fraction form
    3,910.12/5,863.02 = 1,603.24/x
  3. Step 3: Cross multiply
    3,910.12x = 5,863.02 × 1,603.24
  4. Step 4: Simplify right side
    3,910.12x = 9,399,828.18
  5. Step 5: Solve for x
    x = 9,399,828.18/3,910.12
  6. Step 6: Final answer
    x = 2,403.97

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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.