Home / 3,530.52-5,293.08-2,141.64

Finding the Fourth Proportional to 3,530.52, 5,293.08 and 2,141.64

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Solution

The fourth proportional to 3,530.52, 5,293.08 and 2,141.64 is: 3,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.52 : 5,293.08 = 2,141.64 : x
  2. Step 2: Convert to fraction form
    3,530.52/5,293.08 = 2,141.64/x
  3. Step 3: Cross multiply
    3,530.52x = 5,293.08 × 2,141.64
  4. Step 4: Simplify right side
    3,530.52x = 11,335,871.85
  5. Step 5: Solve for x
    x = 11,335,871.85/3,530.52
  6. Step 6: Final answer
    x = 3,210.82

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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.