Home / 3,112.23-4,662.84-2,773.26

Finding the Fourth Proportional to 3,112.23, 4,662.84 and 2,773.26

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Solution

The fourth proportional to 3,112.23, 4,662.84 and 2,773.26 is: 4,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.23 : 4,662.84 = 2,773.26 : x
  2. Step 2: Convert to fraction form
    3,112.23/4,662.84 = 2,773.26/x
  3. Step 3: Cross multiply
    3,112.23x = 4,662.84 × 2,773.26
  4. Step 4: Simplify right side
    3,112.23x = 12,931,267.66
  5. Step 5: Solve for x
    x = 12,931,267.66/3,112.23
  6. Step 6: Final answer
    x = 4,154.98

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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.