Home / 3,601.64-5,390.24-2,215.83

Finding the Fourth Proportional to 3,601.64, 5,390.24 and 2,215.83

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Solution

The fourth proportional to 3,601.64, 5,390.24 and 2,215.83 is: 3,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.64 : 5,390.24 = 2,215.83 : x
  2. Step 2: Convert to fraction form
    3,601.64/5,390.24 = 2,215.83/x
  3. Step 3: Cross multiply
    3,601.64x = 5,390.24 × 2,215.83
  4. Step 4: Simplify right side
    3,601.64x = 11,943,844.42
  5. Step 5: Solve for x
    x = 11,943,844.42/3,601.64
  6. Step 6: Final answer
    x = 3,316.23

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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.