Home / 3,837.81-5,283.37-3,661.48

Finding the Fourth Proportional to 3,837.81, 5,283.37 and 3,661.48

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Solution

The fourth proportional to 3,837.81, 5,283.37 and 3,661.48 is: 5,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.81 : 5,283.37 = 3,661.48 : x
  2. Step 2: Convert to fraction form
    3,837.81/5,283.37 = 3,661.48/x
  3. Step 3: Cross multiply
    3,837.81x = 5,283.37 × 3,661.48
  4. Step 4: Simplify right side
    3,837.81x = 19,344,953.59
  5. Step 5: Solve for x
    x = 19,344,953.59/3,837.81
  6. Step 6: Final answer
    x = 5,040.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.