Home / 2,767.40-3,817.27-1,647.50

Finding the Fourth Proportional to 2,767.40, 3,817.27 and 1,647.50

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Solution

The fourth proportional to 2,767.40, 3,817.27 and 1,647.50 is: 2,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.40 : 3,817.27 = 1,647.50 : x
  2. Step 2: Convert to fraction form
    2,767.40/3,817.27 = 1,647.50/x
  3. Step 3: Cross multiply
    2,767.40x = 3,817.27 × 1,647.50
  4. Step 4: Simplify right side
    2,767.40x = 6,288,944.09
  5. Step 5: Solve for x
    x = 6,288,944.09/2,767.40
  6. Step 6: Final answer
    x = 2,272.51

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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.