Home / 3,507.23-5,279.85-3,201.05

Finding the Fourth Proportional to 3,507.23, 5,279.85 and 3,201.05

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Solution

The fourth proportional to 3,507.23, 5,279.85 and 3,201.05 is: 4,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.23 : 5,279.85 = 3,201.05 : x
  2. Step 2: Convert to fraction form
    3,507.23/5,279.85 = 3,201.05/x
  3. Step 3: Cross multiply
    3,507.23x = 5,279.85 × 3,201.05
  4. Step 4: Simplify right side
    3,507.23x = 16,901,063.84
  5. Step 5: Solve for x
    x = 16,901,063.84/3,507.23
  6. Step 6: Final answer
    x = 4,818.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.