Home / 3,360.05-5,028.35-2,838.57

Finding the Fourth Proportional to 3,360.05, 5,028.35 and 2,838.57

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Solution

The fourth proportional to 3,360.05, 5,028.35 and 2,838.57 is: 4,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.05 : 5,028.35 = 2,838.57 : x
  2. Step 2: Convert to fraction form
    3,360.05/5,028.35 = 2,838.57/x
  3. Step 3: Cross multiply
    3,360.05x = 5,028.35 × 2,838.57
  4. Step 4: Simplify right side
    3,360.05x = 14,273,323.46
  5. Step 5: Solve for x
    x = 14,273,323.46/3,360.05
  6. Step 6: Final answer
    x = 4,247.95

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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.