Home / 3,958.14-5,937.86-1,221.50

Finding the Fourth Proportional to 3,958.14, 5,937.86 and 1,221.50

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Solution

The fourth proportional to 3,958.14, 5,937.86 and 1,221.50 is: 1,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.14 : 5,937.86 = 1,221.50 : x
  2. Step 2: Convert to fraction form
    3,958.14/5,937.86 = 1,221.50/x
  3. Step 3: Cross multiply
    3,958.14x = 5,937.86 × 1,221.50
  4. Step 4: Simplify right side
    3,958.14x = 7,253,095.99
  5. Step 5: Solve for x
    x = 7,253,095.99/3,958.14
  6. Step 6: Final answer
    x = 1,832.45

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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.