Home / 1,922.87-2,653.26-1,126.24

Finding the Fourth Proportional to 1,922.87, 2,653.26 and 1,126.24

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Solution

The fourth proportional to 1,922.87, 2,653.26 and 1,126.24 is: 1,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.87 : 2,653.26 = 1,126.24 : x
  2. Step 2: Convert to fraction form
    1,922.87/2,653.26 = 1,126.24/x
  3. Step 3: Cross multiply
    1,922.87x = 2,653.26 × 1,126.24
  4. Step 4: Simplify right side
    1,922.87x = 2,988,196.69
  5. Step 5: Solve for x
    x = 2,988,196.69/1,922.87
  6. Step 6: Final answer
    x = 1,554.03

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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.