Home / 3,837.81-5,756.64-1,992.53

Finding the Fourth Proportional to 3,837.81, 5,756.64 and 1,992.53

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Solution

The fourth proportional to 3,837.81, 5,756.64 and 1,992.53 is: 2,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.81 : 5,756.64 = 1,992.53 : x
  2. Step 2: Convert to fraction form
    3,837.81/5,756.64 = 1,992.53/x
  3. Step 3: Cross multiply
    3,837.81x = 5,756.64 × 1,992.53
  4. Step 4: Simplify right side
    3,837.81x = 11,470,284.82
  5. Step 5: Solve for x
    x = 11,470,284.82/3,837.81
  6. Step 6: Final answer
    x = 2,988.75

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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.