Home / 2,538.53-3,807.78-1,076.66

Finding the Fourth Proportional to 2,538.53, 3,807.78 and 1,076.66

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Solution

The fourth proportional to 2,538.53, 3,807.78 and 1,076.66 is: 1,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.53 : 3,807.78 = 1,076.66 : x
  2. Step 2: Convert to fraction form
    2,538.53/3,807.78 = 1,076.66/x
  3. Step 3: Cross multiply
    2,538.53x = 3,807.78 × 1,076.66
  4. Step 4: Simplify right side
    2,538.53x = 4,099,665.38
  5. Step 5: Solve for x
    x = 4,099,665.38/2,538.53
  6. Step 6: Final answer
    x = 1,614.98

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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.