Home / 3,019.67-4,531.32-1,071.72

Finding the Fourth Proportional to 3,019.67, 4,531.32 and 1,071.72

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Solution

The fourth proportional to 3,019.67, 4,531.32 and 1,071.72 is: 1,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.67 : 4,531.32 = 1,071.72 : x
  2. Step 2: Convert to fraction form
    3,019.67/4,531.32 = 1,071.72/x
  3. Step 3: Cross multiply
    3,019.67x = 4,531.32 × 1,071.72
  4. Step 4: Simplify right side
    3,019.67x = 4,856,306.27
  5. Step 5: Solve for x
    x = 4,856,306.27/3,019.67
  6. Step 6: Final answer
    x = 1,608.22

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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.