Home / 1,914.90-2,873.22-1,136.44

Finding the Fourth Proportional to 1,914.90, 2,873.22 and 1,136.44

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Solution

The fourth proportional to 1,914.90, 2,873.22 and 1,136.44 is: 1,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.90 : 2,873.22 = 1,136.44 : x
  2. Step 2: Convert to fraction form
    1,914.90/2,873.22 = 1,136.44/x
  3. Step 3: Cross multiply
    1,914.90x = 2,873.22 × 1,136.44
  4. Step 4: Simplify right side
    1,914.90x = 3,265,242.14
  5. Step 5: Solve for x
    x = 3,265,242.14/1,914.90
  6. Step 6: Final answer
    x = 1,705.18

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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.