Home / 2,885.12-4,324.48-1,789.44

Finding the Fourth Proportional to 2,885.12, 4,324.48 and 1,789.44

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Solution

The fourth proportional to 2,885.12, 4,324.48 and 1,789.44 is: 2,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.12 : 4,324.48 = 1,789.44 : x
  2. Step 2: Convert to fraction form
    2,885.12/4,324.48 = 1,789.44/x
  3. Step 3: Cross multiply
    2,885.12x = 4,324.48 × 1,789.44
  4. Step 4: Simplify right side
    2,885.12x = 7,738,397.49
  5. Step 5: Solve for x
    x = 7,738,397.49/2,885.12
  6. Step 6: Final answer
    x = 2,682.18

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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.