Home / 3,536.09-4,876.98-3,138.04

Finding the Fourth Proportional to 3,536.09, 4,876.98 and 3,138.04

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Solution

The fourth proportional to 3,536.09, 4,876.98 and 3,138.04 is: 4,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.09 : 4,876.98 = 3,138.04 : x
  2. Step 2: Convert to fraction form
    3,536.09/4,876.98 = 3,138.04/x
  3. Step 3: Cross multiply
    3,536.09x = 4,876.98 × 3,138.04
  4. Step 4: Simplify right side
    3,536.09x = 15,304,152.65
  5. Step 5: Solve for x
    x = 15,304,152.65/3,536.09
  6. Step 6: Final answer
    x = 4,327.99

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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.