Home / 1,922.10-2,888.57-1,142.25

Finding the Fourth Proportional to 1,922.10, 2,888.57 and 1,142.25

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Solution

The fourth proportional to 1,922.10, 2,888.57 and 1,142.25 is: 1,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.10 : 2,888.57 = 1,142.25 : x
  2. Step 2: Convert to fraction form
    1,922.10/2,888.57 = 1,142.25/x
  3. Step 3: Cross multiply
    1,922.10x = 2,888.57 × 1,142.25
  4. Step 4: Simplify right side
    1,922.10x = 3,299,469.08
  5. Step 5: Solve for x
    x = 3,299,469.08/1,922.10
  6. Step 6: Final answer
    x = 1,716.60

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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.