Home / 3,733.12-5,155.32-2,800

Finding the Fourth Proportional to 3,733.12, 5,155.32 and 2,800

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Solution

The fourth proportional to 3,733.12, 5,155.32 and 2,800 is: 3,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.12 : 5,155.32 = 2,800 : x
  2. Step 2: Convert to fraction form
    3,733.12/5,155.32 = 2,800/x
  3. Step 3: Cross multiply
    3,733.12x = 5,155.32 × 2,800
  4. Step 4: Simplify right side
    3,733.12x = 14,434,896
  5. Step 5: Solve for x
    x = 14,434,896/3,733.12
  6. Step 6: Final answer
    x = 3,866.71

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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.