Home / 3,589.82-5,389.32-2,768.66

Finding the Fourth Proportional to 3,589.82, 5,389.32 and 2,768.66

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Solution

The fourth proportional to 3,589.82, 5,389.32 and 2,768.66 is: 4,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.82 : 5,389.32 = 2,768.66 : x
  2. Step 2: Convert to fraction form
    3,589.82/5,389.32 = 2,768.66/x
  3. Step 3: Cross multiply
    3,589.82x = 5,389.32 × 2,768.66
  4. Step 4: Simplify right side
    3,589.82x = 14,921,194.71
  5. Step 5: Solve for x
    x = 14,921,194.71/3,589.82
  6. Step 6: Final answer
    x = 4,156.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.