Home / 4,490.29-6,738.32-2,180.53

Finding the Fourth Proportional to 4,490.29, 6,738.32 and 2,180.53

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Solution

The fourth proportional to 4,490.29, 6,738.32 and 2,180.53 is: 3,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.29 : 6,738.32 = 2,180.53 : x
  2. Step 2: Convert to fraction form
    4,490.29/6,738.32 = 2,180.53/x
  3. Step 3: Cross multiply
    4,490.29x = 6,738.32 × 2,180.53
  4. Step 4: Simplify right side
    4,490.29x = 14,693,098.01
  5. Step 5: Solve for x
    x = 14,693,098.01/4,490.29
  6. Step 6: Final answer
    x = 3,272.19

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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.