Home / 3,672.20-5,513.16-2,113.76

Finding the Fourth Proportional to 3,672.20, 5,513.16 and 2,113.76

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Solution

The fourth proportional to 3,672.20, 5,513.16 and 2,113.76 is: 3,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.20 : 5,513.16 = 2,113.76 : x
  2. Step 2: Convert to fraction form
    3,672.20/5,513.16 = 2,113.76/x
  3. Step 3: Cross multiply
    3,672.20x = 5,513.16 × 2,113.76
  4. Step 4: Simplify right side
    3,672.20x = 11,653,497.08
  5. Step 5: Solve for x
    x = 11,653,497.08/3,672.20
  6. Step 6: Final answer
    x = 3,173.44

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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.