Home / 2,164.53-3,245.99-1,707.69

Finding the Fourth Proportional to 2,164.53, 3,245.99 and 1,707.69

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Solution

The fourth proportional to 2,164.53, 3,245.99 and 1,707.69 is: 2,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.53 : 3,245.99 = 1,707.69 : x
  2. Step 2: Convert to fraction form
    2,164.53/3,245.99 = 1,707.69/x
  3. Step 3: Cross multiply
    2,164.53x = 3,245.99 × 1,707.69
  4. Step 4: Simplify right side
    2,164.53x = 5,543,136.12
  5. Step 5: Solve for x
    x = 5,543,136.12/2,164.53
  6. Step 6: Final answer
    x = 2,560.90

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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.