Home / 2,915.38-4,369.29-1,183.06

Finding the Fourth Proportional to 2,915.38, 4,369.29 and 1,183.06

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Solution

The fourth proportional to 2,915.38, 4,369.29 and 1,183.06 is: 1,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.38 : 4,369.29 = 1,183.06 : x
  2. Step 2: Convert to fraction form
    2,915.38/4,369.29 = 1,183.06/x
  3. Step 3: Cross multiply
    2,915.38x = 4,369.29 × 1,183.06
  4. Step 4: Simplify right side
    2,915.38x = 5,169,132.23
  5. Step 5: Solve for x
    x = 5,169,132.23/2,915.38
  6. Step 6: Final answer
    x = 1,773.06

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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.