Home / 2,772.22-4,159.32-1,190.27

Finding the Fourth Proportional to 2,772.22, 4,159.32 and 1,190.27

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Solution

The fourth proportional to 2,772.22, 4,159.32 and 1,190.27 is: 1,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.22 : 4,159.32 = 1,190.27 : x
  2. Step 2: Convert to fraction form
    2,772.22/4,159.32 = 1,190.27/x
  3. Step 3: Cross multiply
    2,772.22x = 4,159.32 × 1,190.27
  4. Step 4: Simplify right side
    2,772.22x = 4,950,724.21
  5. Step 5: Solve for x
    x = 4,950,724.21/2,772.22
  6. Step 6: Final answer
    x = 1,785.84

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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.