Home / 3,645.82-5,033.37-2,320.66

Finding the Fourth Proportional to 3,645.82, 5,033.37 and 2,320.66

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Solution

The fourth proportional to 3,645.82, 5,033.37 and 2,320.66 is: 3,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.82 : 5,033.37 = 2,320.66 : x
  2. Step 2: Convert to fraction form
    3,645.82/5,033.37 = 2,320.66/x
  3. Step 3: Cross multiply
    3,645.82x = 5,033.37 × 2,320.66
  4. Step 4: Simplify right side
    3,645.82x = 11,680,740.42
  5. Step 5: Solve for x
    x = 11,680,740.42/3,645.82
  6. Step 6: Final answer
    x = 3,203.87

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1.5x scale

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.