Home / 3,551.25-4,900.41-1,979.31

Finding the Fourth Proportional to 3,551.25, 4,900.41 and 1,979.31

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Solution

The fourth proportional to 3,551.25, 4,900.41 and 1,979.31 is: 2,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.25 : 4,900.41 = 1,979.31 : x
  2. Step 2: Convert to fraction form
    3,551.25/4,900.41 = 1,979.31/x
  3. Step 3: Cross multiply
    3,551.25x = 4,900.41 × 1,979.31
  4. Step 4: Simplify right side
    3,551.25x = 9,699,430.52
  5. Step 5: Solve for x
    x = 9,699,430.52/3,551.25
  6. Step 6: Final answer
    x = 2,731.27

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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.