Home / 2,493.68-3,740.81-2,161.98

Finding the Fourth Proportional to 2,493.68, 3,740.81 and 2,161.98

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Solution

The fourth proportional to 2,493.68, 3,740.81 and 2,161.98 is: 3,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.68 : 3,740.81 = 2,161.98 : x
  2. Step 2: Convert to fraction form
    2,493.68/3,740.81 = 2,161.98/x
  3. Step 3: Cross multiply
    2,493.68x = 3,740.81 × 2,161.98
  4. Step 4: Simplify right side
    2,493.68x = 8,087,545.59
  5. Step 5: Solve for x
    x = 8,087,545.59/2,493.68
  6. Step 6: Final answer
    x = 3,243.22

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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.