Home / 3,161.33-4,362.55-1,834.95

Finding the Fourth Proportional to 3,161.33, 4,362.55 and 1,834.95

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Solution

The fourth proportional to 3,161.33, 4,362.55 and 1,834.95 is: 2,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.33 : 4,362.55 = 1,834.95 : x
  2. Step 2: Convert to fraction form
    3,161.33/4,362.55 = 1,834.95/x
  3. Step 3: Cross multiply
    3,161.33x = 4,362.55 × 1,834.95
  4. Step 4: Simplify right side
    3,161.33x = 8,005,061.12
  5. Step 5: Solve for x
    x = 8,005,061.12/3,161.33
  6. Step 6: Final answer
    x = 2,532.18

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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.