Home / 2,651.10-3,647.78-2,177.26

Finding the Fourth Proportional to 2,651.10, 3,647.78 and 2,177.26

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Solution

The fourth proportional to 2,651.10, 3,647.78 and 2,177.26 is: 2,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.10 : 3,647.78 = 2,177.26 : x
  2. Step 2: Convert to fraction form
    2,651.10/3,647.78 = 2,177.26/x
  3. Step 3: Cross multiply
    2,651.10x = 3,647.78 × 2,177.26
  4. Step 4: Simplify right side
    2,651.10x = 7,942,165.48
  5. Step 5: Solve for x
    x = 7,942,165.48/2,651.10
  6. Step 6: Final answer
    x = 2,995.80

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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.