Home / 3,096.66-4,644.18-1,147.80

Finding the Fourth Proportional to 3,096.66, 4,644.18 and 1,147.80

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Solution

The fourth proportional to 3,096.66, 4,644.18 and 1,147.80 is: 1,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.66 : 4,644.18 = 1,147.80 : x
  2. Step 2: Convert to fraction form
    3,096.66/4,644.18 = 1,147.80/x
  3. Step 3: Cross multiply
    3,096.66x = 4,644.18 × 1,147.80
  4. Step 4: Simplify right side
    3,096.66x = 5,330,589.80
  5. Step 5: Solve for x
    x = 5,330,589.80/3,096.66
  6. Step 6: Final answer
    x = 1,721.40

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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.