Home / 2,621.82-3,934.08-1,161.93

Finding the Fourth Proportional to 2,621.82, 3,934.08 and 1,161.93

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Solution

The fourth proportional to 2,621.82, 3,934.08 and 1,161.93 is: 1,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.82 : 3,934.08 = 1,161.93 : x
  2. Step 2: Convert to fraction form
    2,621.82/3,934.08 = 1,161.93/x
  3. Step 3: Cross multiply
    2,621.82x = 3,934.08 × 1,161.93
  4. Step 4: Simplify right side
    2,621.82x = 4,571,125.57
  5. Step 5: Solve for x
    x = 4,571,125.57/2,621.82
  6. Step 6: Final answer
    x = 1,743.49

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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.