Home / 3,403.14-5,104.50-938.16

Finding the Fourth Proportional to 3,403.14, 5,104.50 and 938.16

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Solution

The fourth proportional to 3,403.14, 5,104.50 and 938.16 is: 1,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.14 : 5,104.50 = 938.16 : x
  2. Step 2: Convert to fraction form
    3,403.14/5,104.50 = 938.16/x
  3. Step 3: Cross multiply
    3,403.14x = 5,104.50 × 938.16
  4. Step 4: Simplify right side
    3,403.14x = 4,788,837.72
  5. Step 5: Solve for x
    x = 4,788,837.72/3,403.14
  6. Step 6: Final answer
    x = 1,407.18

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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.