Home / 3,785.32-5,661.66-2,917.48

Finding the Fourth Proportional to 3,785.32, 5,661.66 and 2,917.48

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Solution

The fourth proportional to 3,785.32, 5,661.66 and 2,917.48 is: 4,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.32 : 5,661.66 = 2,917.48 : x
  2. Step 2: Convert to fraction form
    3,785.32/5,661.66 = 2,917.48/x
  3. Step 3: Cross multiply
    3,785.32x = 5,661.66 × 2,917.48
  4. Step 4: Simplify right side
    3,785.32x = 16,517,779.82
  5. Step 5: Solve for x
    x = 16,517,779.82/3,785.32
  6. Step 6: Final answer
    x = 4,363.64

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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.