Home / 2,807.76-4,211.79-1,076.25

Finding the Fourth Proportional to 2,807.76, 4,211.79 and 1,076.25

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Solution

The fourth proportional to 2,807.76, 4,211.79 and 1,076.25 is: 1,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.76 : 4,211.79 = 1,076.25 : x
  2. Step 2: Convert to fraction form
    2,807.76/4,211.79 = 1,076.25/x
  3. Step 3: Cross multiply
    2,807.76x = 4,211.79 × 1,076.25
  4. Step 4: Simplify right side
    2,807.76x = 4,532,938.99
  5. Step 5: Solve for x
    x = 4,532,938.99/2,807.76
  6. Step 6: Final answer
    x = 1,614.43

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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.