Home / 3,719.22-5,573.25-2,155.56

Finding the Fourth Proportional to 3,719.22, 5,573.25 and 2,155.56

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Solution

The fourth proportional to 3,719.22, 5,573.25 and 2,155.56 is: 3,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.22 : 5,573.25 = 2,155.56 : x
  2. Step 2: Convert to fraction form
    3,719.22/5,573.25 = 2,155.56/x
  3. Step 3: Cross multiply
    3,719.22x = 5,573.25 × 2,155.56
  4. Step 4: Simplify right side
    3,719.22x = 12,013,474.77
  5. Step 5: Solve for x
    x = 12,013,474.77/3,719.22
  6. Step 6: Final answer
    x = 3,230.11

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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.