Home / 3,019.12-4,530.30-1,171.54

Finding the Fourth Proportional to 3,019.12, 4,530.30 and 1,171.54

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Solution

The fourth proportional to 3,019.12, 4,530.30 and 1,171.54 is: 1,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.12 : 4,530.30 = 1,171.54 : x
  2. Step 2: Convert to fraction form
    3,019.12/4,530.30 = 1,171.54/x
  3. Step 3: Cross multiply
    3,019.12x = 4,530.30 × 1,171.54
  4. Step 4: Simplify right side
    3,019.12x = 5,307,427.66
  5. Step 5: Solve for x
    x = 5,307,427.66/3,019.12
  6. Step 6: Final answer
    x = 1,757.94

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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.