Home / 3,174.85-4,380.27-2,056.64

Finding the Fourth Proportional to 3,174.85, 4,380.27 and 2,056.64

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Solution

The fourth proportional to 3,174.85, 4,380.27 and 2,056.64 is: 2,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.85 : 4,380.27 = 2,056.64 : x
  2. Step 2: Convert to fraction form
    3,174.85/4,380.27 = 2,056.64/x
  3. Step 3: Cross multiply
    3,174.85x = 4,380.27 × 2,056.64
  4. Step 4: Simplify right side
    3,174.85x = 9,008,638.49
  5. Step 5: Solve for x
    x = 9,008,638.49/3,174.85
  6. Step 6: Final answer
    x = 2,837.50

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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.