Home / 3,397.31-5,097.42-1,838.40

Finding the Fourth Proportional to 3,397.31, 5,097.42 and 1,838.40

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Solution

The fourth proportional to 3,397.31, 5,097.42 and 1,838.40 is: 2,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.31 : 5,097.42 = 1,838.40 : x
  2. Step 2: Convert to fraction form
    3,397.31/5,097.42 = 1,838.40/x
  3. Step 3: Cross multiply
    3,397.31x = 5,097.42 × 1,838.40
  4. Step 4: Simplify right side
    3,397.31x = 9,371,096.93
  5. Step 5: Solve for x
    x = 9,371,096.93/3,397.31
  6. Step 6: Final answer
    x = 2,758.39

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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.