Home / 3,357.90-4,635.20-2,238.44

Finding the Fourth Proportional to 3,357.90, 4,635.20 and 2,238.44

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Solution

The fourth proportional to 3,357.90, 4,635.20 and 2,238.44 is: 3,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.90 : 4,635.20 = 2,238.44 : x
  2. Step 2: Convert to fraction form
    3,357.90/4,635.20 = 2,238.44/x
  3. Step 3: Cross multiply
    3,357.90x = 4,635.20 × 2,238.44
  4. Step 4: Simplify right side
    3,357.90x = 10,375,582.72
  5. Step 5: Solve for x
    x = 10,375,582.72/3,357.90
  6. Step 6: Final answer
    x = 3,089.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.