Home / 3,170.12-4,753.99-1,089.53

Finding the Fourth Proportional to 3,170.12, 4,753.99 and 1,089.53

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Solution

The fourth proportional to 3,170.12, 4,753.99 and 1,089.53 is: 1,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.12 : 4,753.99 = 1,089.53 : x
  2. Step 2: Convert to fraction form
    3,170.12/4,753.99 = 1,089.53/x
  3. Step 3: Cross multiply
    3,170.12x = 4,753.99 × 1,089.53
  4. Step 4: Simplify right side
    3,170.12x = 5,179,610.14
  5. Step 5: Solve for x
    x = 5,179,610.14/3,170.12
  6. Step 6: Final answer
    x = 1,633.89

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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.