Home / 3,581.34-5,372.01-1,272.66

Finding the Fourth Proportional to 3,581.34, 5,372.01 and 1,272.66

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Solution

The fourth proportional to 3,581.34, 5,372.01 and 1,272.66 is: 1,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.34 : 5,372.01 = 1,272.66 : x
  2. Step 2: Convert to fraction form
    3,581.34/5,372.01 = 1,272.66/x
  3. Step 3: Cross multiply
    3,581.34x = 5,372.01 × 1,272.66
  4. Step 4: Simplify right side
    3,581.34x = 6,836,742.25
  5. Step 5: Solve for x
    x = 6,836,742.25/3,581.34
  6. Step 6: Final answer
    x = 1,908.99

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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.