Home / 3,494.20-5,241.30-1,185.72

Finding the Fourth Proportional to 3,494.20, 5,241.30 and 1,185.72

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Solution

The fourth proportional to 3,494.20, 5,241.30 and 1,185.72 is: 1,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.20 : 5,241.30 = 1,185.72 : x
  2. Step 2: Convert to fraction form
    3,494.20/5,241.30 = 1,185.72/x
  3. Step 3: Cross multiply
    3,494.20x = 5,241.30 × 1,185.72
  4. Step 4: Simplify right side
    3,494.20x = 6,214,714.24
  5. Step 5: Solve for x
    x = 6,214,714.24/3,494.20
  6. Step 6: Final answer
    x = 1,778.58

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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.