Home / 3,244.05-4,475.79-1,917.68

Finding the Fourth Proportional to 3,244.05, 4,475.79 and 1,917.68

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Solution

The fourth proportional to 3,244.05, 4,475.79 and 1,917.68 is: 2,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.05 : 4,475.79 = 1,917.68 : x
  2. Step 2: Convert to fraction form
    3,244.05/4,475.79 = 1,917.68/x
  3. Step 3: Cross multiply
    3,244.05x = 4,475.79 × 1,917.68
  4. Step 4: Simplify right side
    3,244.05x = 8,583,110.59
  5. Step 5: Solve for x
    x = 8,583,110.59/3,244.05
  6. Step 6: Final answer
    x = 2,645.80

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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.