Home / 3,837.09-5,756.55-1,371.72

Finding the Fourth Proportional to 3,837.09, 5,756.55 and 1,371.72

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Solution

The fourth proportional to 3,837.09, 5,756.55 and 1,371.72 is: 2,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.09 : 5,756.55 = 1,371.72 : x
  2. Step 2: Convert to fraction form
    3,837.09/5,756.55 = 1,371.72/x
  3. Step 3: Cross multiply
    3,837.09x = 5,756.55 × 1,371.72
  4. Step 4: Simplify right side
    3,837.09x = 7,896,374.77
  5. Step 5: Solve for x
    x = 7,896,374.77/3,837.09
  6. Step 6: Final answer
    x = 2,057.91

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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.