Home / 3,530.15-5,296.37-2,126.09

Finding the Fourth Proportional to 3,530.15, 5,296.37 and 2,126.09

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Solution

The fourth proportional to 3,530.15, 5,296.37 and 2,126.09 is: 3,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.15 : 5,296.37 = 2,126.09 : x
  2. Step 2: Convert to fraction form
    3,530.15/5,296.37 = 2,126.09/x
  3. Step 3: Cross multiply
    3,530.15x = 5,296.37 × 2,126.09
  4. Step 4: Simplify right side
    3,530.15x = 11,260,548.66
  5. Step 5: Solve for x
    x = 11,260,548.66/3,530.15
  6. Step 6: Final answer
    x = 3,189.82

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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.