Home / 3,447.06-5,170.58-1,254.89

Finding the Fourth Proportional to 3,447.06, 5,170.58 and 1,254.89

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Solution

The fourth proportional to 3,447.06, 5,170.58 and 1,254.89 is: 1,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.06 : 5,170.58 = 1,254.89 : x
  2. Step 2: Convert to fraction form
    3,447.06/5,170.58 = 1,254.89/x
  3. Step 3: Cross multiply
    3,447.06x = 5,170.58 × 1,254.89
  4. Step 4: Simplify right side
    3,447.06x = 6,488,527.55
  5. Step 5: Solve for x
    x = 6,488,527.55/3,447.06
  6. Step 6: Final answer
    x = 1,882.34

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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.