Home / 3,612.25-5,415.94-1,663.39

Finding the Fourth Proportional to 3,612.25, 5,415.94 and 1,663.39

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Solution

The fourth proportional to 3,612.25, 5,415.94 and 1,663.39 is: 2,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.25 : 5,415.94 = 1,663.39 : x
  2. Step 2: Convert to fraction form
    3,612.25/5,415.94 = 1,663.39/x
  3. Step 3: Cross multiply
    3,612.25x = 5,415.94 × 1,663.39
  4. Step 4: Simplify right side
    3,612.25x = 9,008,820.44
  5. Step 5: Solve for x
    x = 9,008,820.44/3,612.25
  6. Step 6: Final answer
    x = 2,493.96

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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.