Home / 3,447.78-5,174.28-2,525.70

Finding the Fourth Proportional to 3,447.78, 5,174.28 and 2,525.70

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Solution

The fourth proportional to 3,447.78, 5,174.28 and 2,525.70 is: 3,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.78 : 5,174.28 = 2,525.70 : x
  2. Step 2: Convert to fraction form
    3,447.78/5,174.28 = 2,525.70/x
  3. Step 3: Cross multiply
    3,447.78x = 5,174.28 × 2,525.70
  4. Step 4: Simplify right side
    3,447.78x = 13,068,679.00
  5. Step 5: Solve for x
    x = 13,068,679.00/3,447.78
  6. Step 6: Final answer
    x = 3,790.46

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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.