Home / 3,903.31-5,386.08-2,224.54

Finding the Fourth Proportional to 3,903.31, 5,386.08 and 2,224.54

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Solution

The fourth proportional to 3,903.31, 5,386.08 and 2,224.54 is: 3,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.31 : 5,386.08 = 2,224.54 : x
  2. Step 2: Convert to fraction form
    3,903.31/5,386.08 = 2,224.54/x
  3. Step 3: Cross multiply
    3,903.31x = 5,386.08 × 2,224.54
  4. Step 4: Simplify right side
    3,903.31x = 11,981,550.40
  5. Step 5: Solve for x
    x = 11,981,550.40/3,903.31
  6. Step 6: Final answer
    x = 3,069.59

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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.