Home / 1,922.40-2,882.12-1,304.48

Finding the Fourth Proportional to 1,922.40, 2,882.12 and 1,304.48

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Solution

The fourth proportional to 1,922.40, 2,882.12 and 1,304.48 is: 1,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.40 : 2,882.12 = 1,304.48 : x
  2. Step 2: Convert to fraction form
    1,922.40/2,882.12 = 1,304.48/x
  3. Step 3: Cross multiply
    1,922.40x = 2,882.12 × 1,304.48
  4. Step 4: Simplify right side
    1,922.40x = 3,759,667.90
  5. Step 5: Solve for x
    x = 3,759,667.90/1,922.40
  6. Step 6: Final answer
    x = 1,955.72

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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.