Home / 2,917.68-4,376.49-1,185.09

Finding the Fourth Proportional to 2,917.68, 4,376.49 and 1,185.09

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Solution

The fourth proportional to 2,917.68, 4,376.49 and 1,185.09 is: 1,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.68 : 4,376.49 = 1,185.09 : x
  2. Step 2: Convert to fraction form
    2,917.68/4,376.49 = 1,185.09/x
  3. Step 3: Cross multiply
    2,917.68x = 4,376.49 × 1,185.09
  4. Step 4: Simplify right side
    2,917.68x = 5,186,534.53
  5. Step 5: Solve for x
    x = 5,186,534.53/2,917.68
  6. Step 6: Final answer
    x = 1,777.62

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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.