Home / 3,386.07-5,074.76-2,945.47

Finding the Fourth Proportional to 3,386.07, 5,074.76 and 2,945.47

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Solution

The fourth proportional to 3,386.07, 5,074.76 and 2,945.47 is: 4,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.07 : 5,074.76 = 2,945.47 : x
  2. Step 2: Convert to fraction form
    3,386.07/5,074.76 = 2,945.47/x
  3. Step 3: Cross multiply
    3,386.07x = 5,074.76 × 2,945.47
  4. Step 4: Simplify right side
    3,386.07x = 14,947,553.34
  5. Step 5: Solve for x
    x = 14,947,553.34/3,386.07
  6. Step 6: Final answer
    x = 4,414.43

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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.