Home / 3,279.51-4,548.92-3,161.30

Finding the Fourth Proportional to 3,279.51, 4,548.92 and 3,161.30

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Solution

The fourth proportional to 3,279.51, 4,548.92 and 3,161.30 is: 4,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.51 : 4,548.92 = 3,161.30 : x
  2. Step 2: Convert to fraction form
    3,279.51/4,548.92 = 3,161.30/x
  3. Step 3: Cross multiply
    3,279.51x = 4,548.92 × 3,161.30
  4. Step 4: Simplify right side
    3,279.51x = 14,380,462.24
  5. Step 5: Solve for x
    x = 14,380,462.24/3,279.51
  6. Step 6: Final answer
    x = 4,384.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.