Home / 3,708.12-5,560.56-1,398

Finding the Fourth Proportional to 3,708.12, 5,560.56 and 1,398

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Solution

The fourth proportional to 3,708.12, 5,560.56 and 1,398 is: 2,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.12 : 5,560.56 = 1,398 : x
  2. Step 2: Convert to fraction form
    3,708.12/5,560.56 = 1,398/x
  3. Step 3: Cross multiply
    3,708.12x = 5,560.56 × 1,398
  4. Step 4: Simplify right side
    3,708.12x = 7,773,662.88
  5. Step 5: Solve for x
    x = 7,773,662.88/3,708.12
  6. Step 6: Final answer
    x = 2,096.39

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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.