Home / 2,945.53-4,064.86-1,619.22

Finding the Fourth Proportional to 2,945.53, 4,064.86 and 1,619.22

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Solution

The fourth proportional to 2,945.53, 4,064.86 and 1,619.22 is: 2,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.53 : 4,064.86 = 1,619.22 : x
  2. Step 2: Convert to fraction form
    2,945.53/4,064.86 = 1,619.22/x
  3. Step 3: Cross multiply
    2,945.53x = 4,064.86 × 1,619.22
  4. Step 4: Simplify right side
    2,945.53x = 6,581,902.61
  5. Step 5: Solve for x
    x = 6,581,902.61/2,945.53
  6. Step 6: Final answer
    x = 2,234.54

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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.