Home / 2,922.03-4,383.30-1,278.74

Finding the Fourth Proportional to 2,922.03, 4,383.30 and 1,278.74

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Solution

The fourth proportional to 2,922.03, 4,383.30 and 1,278.74 is: 1,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.03 : 4,383.30 = 1,278.74 : x
  2. Step 2: Convert to fraction form
    2,922.03/4,383.30 = 1,278.74/x
  3. Step 3: Cross multiply
    2,922.03x = 4,383.30 × 1,278.74
  4. Step 4: Simplify right side
    2,922.03x = 5,605,079.13
  5. Step 5: Solve for x
    x = 5,605,079.13/2,922.03
  6. Step 6: Final answer
    x = 1,918.21

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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.