Home / 3,550.70-5,322.80-1,817.30

Finding the Fourth Proportional to 3,550.70, 5,322.80 and 1,817.30

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Solution

The fourth proportional to 3,550.70, 5,322.80 and 1,817.30 is: 2,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.70 : 5,322.80 = 1,817.30 : x
  2. Step 2: Convert to fraction form
    3,550.70/5,322.80 = 1,817.30/x
  3. Step 3: Cross multiply
    3,550.70x = 5,322.80 × 1,817.30
  4. Step 4: Simplify right side
    3,550.70x = 9,673,124.44
  5. Step 5: Solve for x
    x = 9,673,124.44/3,550.70
  6. Step 6: Final answer
    x = 2,724.29

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1.5x scale

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.