Home / 2,913.20-4,361.37-2,612.73

Finding the Fourth Proportional to 2,913.20, 4,361.37 and 2,612.73

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Solution

The fourth proportional to 2,913.20, 4,361.37 and 2,612.73 is: 3,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.20 : 4,361.37 = 2,612.73 : x
  2. Step 2: Convert to fraction form
    2,913.20/4,361.37 = 2,612.73/x
  3. Step 3: Cross multiply
    2,913.20x = 4,361.37 × 2,612.73
  4. Step 4: Simplify right side
    2,913.20x = 11,395,082.24
  5. Step 5: Solve for x
    x = 11,395,082.24/2,913.20
  6. Step 6: Final answer
    x = 3,911.53

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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.