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Finding the Fourth Proportional to 2,888.99, 4,324.98 and 1,789.82

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Solution

The fourth proportional to 2,888.99, 4,324.98 and 1,789.82 is: 2,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.99 : 4,324.98 = 1,789.82 : x
  2. Step 2: Convert to fraction form
    2,888.99/4,324.98 = 1,789.82/x
  3. Step 3: Cross multiply
    2,888.99x = 4,324.98 × 1,789.82
  4. Step 4: Simplify right side
    2,888.99x = 7,740,935.70
  5. Step 5: Solve for x
    x = 7,740,935.70/2,888.99
  6. Step 6: Final answer
    x = 2,679.46

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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.