Home / 4,105.67-6,161.50-1,641.21

Finding the Fourth Proportional to 4,105.67, 6,161.50 and 1,641.21

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Solution

The fourth proportional to 4,105.67, 6,161.50 and 1,641.21 is: 2,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.67 : 6,161.50 = 1,641.21 : x
  2. Step 2: Convert to fraction form
    4,105.67/6,161.50 = 1,641.21/x
  3. Step 3: Cross multiply
    4,105.67x = 6,161.50 × 1,641.21
  4. Step 4: Simplify right side
    4,105.67x = 10,112,294.36
  5. Step 5: Solve for x
    x = 10,112,294.36/4,105.67
  6. Step 6: Final answer
    x = 2,463.01

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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.