Home / 3,245.06-4,476.11-1,917.83

Finding the Fourth Proportional to 3,245.06, 4,476.11 and 1,917.83

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Solution

The fourth proportional to 3,245.06, 4,476.11 and 1,917.83 is: 2,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.06 : 4,476.11 = 1,917.83 : x
  2. Step 2: Convert to fraction form
    3,245.06/4,476.11 = 1,917.83/x
  3. Step 3: Cross multiply
    3,245.06x = 4,476.11 × 1,917.83
  4. Step 4: Simplify right side
    3,245.06x = 8,584,405.25
  5. Step 5: Solve for x
    x = 8,584,405.25/3,245.06
  6. Step 6: Final answer
    x = 2,645.37

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1.5x scale

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.