Home / 3,447.87-4,758.09-2,031.28

Finding the Fourth Proportional to 3,447.87, 4,758.09 and 2,031.28

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Solution

The fourth proportional to 3,447.87, 4,758.09 and 2,031.28 is: 2,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.87 : 4,758.09 = 2,031.28 : x
  2. Step 2: Convert to fraction form
    3,447.87/4,758.09 = 2,031.28/x
  3. Step 3: Cross multiply
    3,447.87x = 4,758.09 × 2,031.28
  4. Step 4: Simplify right side
    3,447.87x = 9,665,004.97
  5. Step 5: Solve for x
    x = 9,665,004.97/3,447.87
  6. Step 6: Final answer
    x = 2,803.18

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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.