Home / 3,447.63-5,167.34-1,983.75

Finding the Fourth Proportional to 3,447.63, 5,167.34 and 1,983.75

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Solution

The fourth proportional to 3,447.63, 5,167.34 and 1,983.75 is: 2,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.63 : 5,167.34 = 1,983.75 : x
  2. Step 2: Convert to fraction form
    3,447.63/5,167.34 = 1,983.75/x
  3. Step 3: Cross multiply
    3,447.63x = 5,167.34 × 1,983.75
  4. Step 4: Simplify right side
    3,447.63x = 10,250,710.73
  5. Step 5: Solve for x
    x = 10,250,710.73/3,447.63
  6. Step 6: Final answer
    x = 2,973.26

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1.5x scale

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.