Home / 3,380.40-5,074.24-2,838.51

Finding the Fourth Proportional to 3,380.40, 5,074.24 and 2,838.51

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Solution

The fourth proportional to 3,380.40, 5,074.24 and 2,838.51 is: 4,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.40 : 5,074.24 = 2,838.51 : x
  2. Step 2: Convert to fraction form
    3,380.40/5,074.24 = 2,838.51/x
  3. Step 3: Cross multiply
    3,380.40x = 5,074.24 × 2,838.51
  4. Step 4: Simplify right side
    3,380.40x = 14,403,280.98
  5. Step 5: Solve for x
    x = 14,403,280.98/3,380.40
  6. Step 6: Final answer
    x = 4,260.82

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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.