Home / 3,549.25-4,897.97-1,977.31

Finding the Fourth Proportional to 3,549.25, 4,897.97 and 1,977.31

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Solution

The fourth proportional to 3,549.25, 4,897.97 and 1,977.31 is: 2,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.25 : 4,897.97 = 1,977.31 : x
  2. Step 2: Convert to fraction form
    3,549.25/4,897.97 = 1,977.31/x
  3. Step 3: Cross multiply
    3,549.25x = 4,897.97 × 1,977.31
  4. Step 4: Simplify right side
    3,549.25x = 9,684,805.06
  5. Step 5: Solve for x
    x = 9,684,805.06/3,549.25
  6. Step 6: Final answer
    x = 2,728.69

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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.