Home / 3,645.81-5,471.13-2,003.50

Finding the Fourth Proportional to 3,645.81, 5,471.13 and 2,003.50

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Solution

The fourth proportional to 3,645.81, 5,471.13 and 2,003.50 is: 3,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.81 : 5,471.13 = 2,003.50 : x
  2. Step 2: Convert to fraction form
    3,645.81/5,471.13 = 2,003.50/x
  3. Step 3: Cross multiply
    3,645.81x = 5,471.13 × 2,003.50
  4. Step 4: Simplify right side
    3,645.81x = 10,961,408.96
  5. Step 5: Solve for x
    x = 10,961,408.96/3,645.81
  6. Step 6: Final answer
    x = 3,006.58

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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.