Home / 2,551.78-3,522.70-1,983.27

Finding the Fourth Proportional to 2,551.78, 3,522.70 and 1,983.27

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Solution

The fourth proportional to 2,551.78, 3,522.70 and 1,983.27 is: 2,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.78 : 3,522.70 = 1,983.27 : x
  2. Step 2: Convert to fraction form
    2,551.78/3,522.70 = 1,983.27/x
  3. Step 3: Cross multiply
    2,551.78x = 3,522.70 × 1,983.27
  4. Step 4: Simplify right side
    2,551.78x = 6,986,480.92
  5. Step 5: Solve for x
    x = 6,986,480.92/2,551.78
  6. Step 6: Final answer
    x = 2,737.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.