Home / 3,186.34-4,393.44-2,760.08

Finding the Fourth Proportional to 3,186.34, 4,393.44 and 2,760.08

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Solution

The fourth proportional to 3,186.34, 4,393.44 and 2,760.08 is: 3,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.34 : 4,393.44 = 2,760.08 : x
  2. Step 2: Convert to fraction form
    3,186.34/4,393.44 = 2,760.08/x
  3. Step 3: Cross multiply
    3,186.34x = 4,393.44 × 2,760.08
  4. Step 4: Simplify right side
    3,186.34x = 12,126,223.91
  5. Step 5: Solve for x
    x = 12,126,223.91/3,186.34
  6. Step 6: Final answer
    x = 3,805.69

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.