Home / 3,186.54-4,781.66-1,337.51

Finding the Fourth Proportional to 3,186.54, 4,781.66 and 1,337.51

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Solution

The fourth proportional to 3,186.54, 4,781.66 and 1,337.51 is: 2,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.54 : 4,781.66 = 1,337.51 : x
  2. Step 2: Convert to fraction form
    3,186.54/4,781.66 = 1,337.51/x
  3. Step 3: Cross multiply
    3,186.54x = 4,781.66 × 1,337.51
  4. Step 4: Simplify right side
    3,186.54x = 6,395,487.47
  5. Step 5: Solve for x
    x = 6,395,487.47/3,186.54
  6. Step 6: Final answer
    x = 2,007.03

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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.