Home / 3,021.29-4,166.41-2,357.90

Finding the Fourth Proportional to 3,021.29, 4,166.41 and 2,357.90

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Solution

The fourth proportional to 3,021.29, 4,166.41 and 2,357.90 is: 3,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.29 : 4,166.41 = 2,357.90 : x
  2. Step 2: Convert to fraction form
    3,021.29/4,166.41 = 2,357.90/x
  3. Step 3: Cross multiply
    3,021.29x = 4,166.41 × 2,357.90
  4. Step 4: Simplify right side
    3,021.29x = 9,823,978.14
  5. Step 5: Solve for x
    x = 9,823,978.14/3,021.29
  6. Step 6: Final answer
    x = 3,251.58

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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.