Home / 3,171.44-4,759.14-1,528.15

Finding the Fourth Proportional to 3,171.44, 4,759.14 and 1,528.15

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Solution

The fourth proportional to 3,171.44, 4,759.14 and 1,528.15 is: 2,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.44 : 4,759.14 = 1,528.15 : x
  2. Step 2: Convert to fraction form
    3,171.44/4,759.14 = 1,528.15/x
  3. Step 3: Cross multiply
    3,171.44x = 4,759.14 × 1,528.15
  4. Step 4: Simplify right side
    3,171.44x = 7,272,679.79
  5. Step 5: Solve for x
    x = 7,272,679.79/3,171.44
  6. Step 6: Final answer
    x = 2,293.18

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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.