Home / 3,837.40-5,304.36-3,531.22

Finding the Fourth Proportional to 3,837.40, 5,304.36 and 3,531.22

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Solution

The fourth proportional to 3,837.40, 5,304.36 and 3,531.22 is: 4,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.40 : 5,304.36 = 3,531.22 : x
  2. Step 2: Convert to fraction form
    3,837.40/5,304.36 = 3,531.22/x
  3. Step 3: Cross multiply
    3,837.40x = 5,304.36 × 3,531.22
  4. Step 4: Simplify right side
    3,837.40x = 18,730,862.12
  5. Step 5: Solve for x
    x = 18,730,862.12/3,837.40
  6. Step 6: Final answer
    x = 4,881.13

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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.