Home / 2,922.39-4,388.85-1,828.89

Finding the Fourth Proportional to 2,922.39, 4,388.85 and 1,828.89

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Solution

The fourth proportional to 2,922.39, 4,388.85 and 1,828.89 is: 2,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.39 : 4,388.85 = 1,828.89 : x
  2. Step 2: Convert to fraction form
    2,922.39/4,388.85 = 1,828.89/x
  3. Step 3: Cross multiply
    2,922.39x = 4,388.85 × 1,828.89
  4. Step 4: Simplify right side
    2,922.39x = 8,026,723.88
  5. Step 5: Solve for x
    x = 8,026,723.88/2,922.39
  6. Step 6: Final answer
    x = 2,746.63

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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.