Home / 3,019.68-4,531.04-1,172

Finding the Fourth Proportional to 3,019.68, 4,531.04 and 1,172

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Solution

The fourth proportional to 3,019.68, 4,531.04 and 1,172 is: 1,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.68 : 4,531.04 = 1,172 : x
  2. Step 2: Convert to fraction form
    3,019.68/4,531.04 = 1,172/x
  3. Step 3: Cross multiply
    3,019.68x = 4,531.04 × 1,172
  4. Step 4: Simplify right side
    3,019.68x = 5,310,378.88
  5. Step 5: Solve for x
    x = 5,310,378.88/3,019.68
  6. Step 6: Final answer
    x = 1,758.59

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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.