Home / 3,657.39-5,486.67-1,192.02

Finding the Fourth Proportional to 3,657.39, 5,486.67 and 1,192.02

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Solution

The fourth proportional to 3,657.39, 5,486.67 and 1,192.02 is: 1,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.39 : 5,486.67 = 1,192.02 : x
  2. Step 2: Convert to fraction form
    3,657.39/5,486.67 = 1,192.02/x
  3. Step 3: Cross multiply
    3,657.39x = 5,486.67 × 1,192.02
  4. Step 4: Simplify right side
    3,657.39x = 6,540,220.37
  5. Step 5: Solve for x
    x = 6,540,220.37/3,657.39
  6. Step 6: Final answer
    x = 1,788.22

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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.