Home / 3,581.53-5,369.05-1,272.49

Finding the Fourth Proportional to 3,581.53, 5,369.05 and 1,272.49

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Solution

The fourth proportional to 3,581.53, 5,369.05 and 1,272.49 is: 1,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.53 : 5,369.05 = 1,272.49 : x
  2. Step 2: Convert to fraction form
    3,581.53/5,369.05 = 1,272.49/x
  3. Step 3: Cross multiply
    3,581.53x = 5,369.05 × 1,272.49
  4. Step 4: Simplify right side
    3,581.53x = 6,832,032.41
  5. Step 5: Solve for x
    x = 6,832,032.41/3,581.53
  6. Step 6: Final answer
    x = 1,907.58

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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.