Home / 2,922.58-4,383.19-1,440.28

Finding the Fourth Proportional to 2,922.58, 4,383.19 and 1,440.28

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Solution

The fourth proportional to 2,922.58, 4,383.19 and 1,440.28 is: 2,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.58 : 4,383.19 = 1,440.28 : x
  2. Step 2: Convert to fraction form
    2,922.58/4,383.19 = 1,440.28/x
  3. Step 3: Cross multiply
    2,922.58x = 4,383.19 × 1,440.28
  4. Step 4: Simplify right side
    2,922.58x = 6,313,020.89
  5. Step 5: Solve for x
    x = 6,313,020.89/2,922.58
  6. Step 6: Final answer
    x = 2,160.08

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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.