Home / 3,428.01-5,140.82-2,257.97

Finding the Fourth Proportional to 3,428.01, 5,140.82 and 2,257.97

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Solution

The fourth proportional to 3,428.01, 5,140.82 and 2,257.97 is: 3,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.01 : 5,140.82 = 2,257.97 : x
  2. Step 2: Convert to fraction form
    3,428.01/5,140.82 = 2,257.97/x
  3. Step 3: Cross multiply
    3,428.01x = 5,140.82 × 2,257.97
  4. Step 4: Simplify right side
    3,428.01x = 11,607,780.34
  5. Step 5: Solve for x
    x = 11,607,780.34/3,428.01
  6. Step 6: Final answer
    x = 3,386.16

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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.