Home / 3,664.55-5,058.79-2,405.61

Finding the Fourth Proportional to 3,664.55, 5,058.79 and 2,405.61

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Solution

The fourth proportional to 3,664.55, 5,058.79 and 2,405.61 is: 3,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.55 : 5,058.79 = 2,405.61 : x
  2. Step 2: Convert to fraction form
    3,664.55/5,058.79 = 2,405.61/x
  3. Step 3: Cross multiply
    3,664.55x = 5,058.79 × 2,405.61
  4. Step 4: Simplify right side
    3,664.55x = 12,169,469.80
  5. Step 5: Solve for x
    x = 12,169,469.80/3,664.55
  6. Step 6: Final answer
    x = 3,320.86

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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.