Home / 3,664.20-5,476.19-2,679.09

Finding the Fourth Proportional to 3,664.20, 5,476.19 and 2,679.09

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Solution

The fourth proportional to 3,664.20, 5,476.19 and 2,679.09 is: 4,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.20 : 5,476.19 = 2,679.09 : x
  2. Step 2: Convert to fraction form
    3,664.20/5,476.19 = 2,679.09/x
  3. Step 3: Cross multiply
    3,664.20x = 5,476.19 × 2,679.09
  4. Step 4: Simplify right side
    3,664.20x = 14,671,192.47
  5. Step 5: Solve for x
    x = 14,671,192.47/3,664.20
  6. Step 6: Final answer
    x = 4,003.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.