Home / 3,859.20-5,327.16-2,603.82

Finding the Fourth Proportional to 3,859.20, 5,327.16 and 2,603.82

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Solution

The fourth proportional to 3,859.20, 5,327.16 and 2,603.82 is: 3,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.20 : 5,327.16 = 2,603.82 : x
  2. Step 2: Convert to fraction form
    3,859.20/5,327.16 = 2,603.82/x
  3. Step 3: Cross multiply
    3,859.20x = 5,327.16 × 2,603.82
  4. Step 4: Simplify right side
    3,859.20x = 13,870,965.75
  5. Step 5: Solve for x
    x = 13,870,965.75/3,859.20
  6. Step 6: Final answer
    x = 3,594.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.