Home / 4,145.20-6,212.56-2,411.80

Finding the Fourth Proportional to 4,145.20, 6,212.56 and 2,411.80

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Solution

The fourth proportional to 4,145.20, 6,212.56 and 2,411.80 is: 3,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.20 : 6,212.56 = 2,411.80 : x
  2. Step 2: Convert to fraction form
    4,145.20/6,212.56 = 2,411.80/x
  3. Step 3: Cross multiply
    4,145.20x = 6,212.56 × 2,411.80
  4. Step 4: Simplify right side
    4,145.20x = 14,983,452.21
  5. Step 5: Solve for x
    x = 14,983,452.21/4,145.20
  6. Step 6: Final answer
    x = 3,614.65

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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.