Home / 3,825.38-5,708.49-3,411.21

Finding the Fourth Proportional to 3,825.38, 5,708.49 and 3,411.21

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Solution

The fourth proportional to 3,825.38, 5,708.49 and 3,411.21 is: 5,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.38 : 5,708.49 = 3,411.21 : x
  2. Step 2: Convert to fraction form
    3,825.38/5,708.49 = 3,411.21/x
  3. Step 3: Cross multiply
    3,825.38x = 5,708.49 × 3,411.21
  4. Step 4: Simplify right side
    3,825.38x = 19,472,858.17
  5. Step 5: Solve for x
    x = 19,472,858.17/3,825.38
  6. Step 6: Final answer
    x = 5,090.44

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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.