Home / 3,174.43-4,378.35-2,054.50

Finding the Fourth Proportional to 3,174.43, 4,378.35 and 2,054.50

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Solution

The fourth proportional to 3,174.43, 4,378.35 and 2,054.50 is: 2,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.43 : 4,378.35 = 2,054.50 : x
  2. Step 2: Convert to fraction form
    3,174.43/4,378.35 = 2,054.50/x
  3. Step 3: Cross multiply
    3,174.43x = 4,378.35 × 2,054.50
  4. Step 4: Simplify right side
    3,174.43x = 8,995,309.80
  5. Step 5: Solve for x
    x = 8,995,309.80/3,174.43
  6. Step 6: Final answer
    x = 2,833.68

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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.