Home / 1,922.96-2,653.22-1,292.38

Finding the Fourth Proportional to 1,922.96, 2,653.22 and 1,292.38

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Solution

The fourth proportional to 1,922.96, 2,653.22 and 1,292.38 is: 1,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.96 : 2,653.22 = 1,292.38 : x
  2. Step 2: Convert to fraction form
    1,922.96/2,653.22 = 1,292.38/x
  3. Step 3: Cross multiply
    1,922.96x = 2,653.22 × 1,292.38
  4. Step 4: Simplify right side
    1,922.96x = 3,428,968.46
  5. Step 5: Solve for x
    x = 3,428,968.46/1,922.96
  6. Step 6: Final answer
    x = 1,783.17

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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.