Home / 3,837.47-5,725.01-3,479.38

Finding the Fourth Proportional to 3,837.47, 5,725.01 and 3,479.38

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Solution

The fourth proportional to 3,837.47, 5,725.01 and 3,479.38 is: 5,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.47 : 5,725.01 = 3,479.38 : x
  2. Step 2: Convert to fraction form
    3,837.47/5,725.01 = 3,479.38/x
  3. Step 3: Cross multiply
    3,837.47x = 5,725.01 × 3,479.38
  4. Step 4: Simplify right side
    3,837.47x = 19,919,453.58
  5. Step 5: Solve for x
    x = 19,919,453.58/3,837.47
  6. Step 6: Final answer
    x = 5,190.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.