Home / 3,550.14-5,325.90-1,992.36

Finding the Fourth Proportional to 3,550.14, 5,325.90 and 1,992.36

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Solution

The fourth proportional to 3,550.14, 5,325.90 and 1,992.36 is: 2,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.14 : 5,325.90 = 1,992.36 : x
  2. Step 2: Convert to fraction form
    3,550.14/5,325.90 = 1,992.36/x
  3. Step 3: Cross multiply
    3,550.14x = 5,325.90 × 1,992.36
  4. Step 4: Simplify right side
    3,550.14x = 10,611,110.12
  5. Step 5: Solve for x
    x = 10,611,110.12/3,550.14
  6. Step 6: Final answer
    x = 2,988.93

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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.