Home / 3,934.65-5,902.76-1,161.39

Finding the Fourth Proportional to 3,934.65, 5,902.76 and 1,161.39

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Solution

The fourth proportional to 3,934.65, 5,902.76 and 1,161.39 is: 1,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.65 : 5,902.76 = 1,161.39 : x
  2. Step 2: Convert to fraction form
    3,934.65/5,902.76 = 1,161.39/x
  3. Step 3: Cross multiply
    3,934.65x = 5,902.76 × 1,161.39
  4. Step 4: Simplify right side
    3,934.65x = 6,855,400.63
  5. Step 5: Solve for x
    x = 6,855,400.63/3,934.65
  6. Step 6: Final answer
    x = 1,742.32

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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.