Home / 3,553.77-5,330.61-1,213.74

Finding the Fourth Proportional to 3,553.77, 5,330.61 and 1,213.74

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Solution

The fourth proportional to 3,553.77, 5,330.61 and 1,213.74 is: 1,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.77 : 5,330.61 = 1,213.74 : x
  2. Step 2: Convert to fraction form
    3,553.77/5,330.61 = 1,213.74/x
  3. Step 3: Cross multiply
    3,553.77x = 5,330.61 × 1,213.74
  4. Step 4: Simplify right side
    3,553.77x = 6,469,987.91
  5. Step 5: Solve for x
    x = 6,469,987.91/3,553.77
  6. Step 6: Final answer
    x = 1,820.60

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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.