Home / 3,630.86-5,447.05-1,131.99

Finding the Fourth Proportional to 3,630.86, 5,447.05 and 1,131.99

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Solution

The fourth proportional to 3,630.86, 5,447.05 and 1,131.99 is: 1,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.86 : 5,447.05 = 1,131.99 : x
  2. Step 2: Convert to fraction form
    3,630.86/5,447.05 = 1,131.99/x
  3. Step 3: Cross multiply
    3,630.86x = 5,447.05 × 1,131.99
  4. Step 4: Simplify right side
    3,630.86x = 6,166,006.13
  5. Step 5: Solve for x
    x = 6,166,006.13/3,630.86
  6. Step 6: Final answer
    x = 1,698.22

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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.