Home / 3,837.38-5,756.06-1,240.31

Finding the Fourth Proportional to 3,837.38, 5,756.06 and 1,240.31

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Solution

The fourth proportional to 3,837.38, 5,756.06 and 1,240.31 is: 1,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.38 : 5,756.06 = 1,240.31 : x
  2. Step 2: Convert to fraction form
    3,837.38/5,756.06 = 1,240.31/x
  3. Step 3: Cross multiply
    3,837.38x = 5,756.06 × 1,240.31
  4. Step 4: Simplify right side
    3,837.38x = 7,139,316.27
  5. Step 5: Solve for x
    x = 7,139,316.27/3,837.38
  6. Step 6: Final answer
    x = 1,860.47

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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.