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Finding the Fourth Proportional to 2,675.06, 3,993 and 2,359.43

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Solution

The fourth proportional to 2,675.06, 3,993 and 2,359.43 is: 3,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.06 : 3,993 = 2,359.43 : x
  2. Step 2: Convert to fraction form
    2,675.06/3,993 = 2,359.43/x
  3. Step 3: Cross multiply
    2,675.06x = 3,993 × 2,359.43
  4. Step 4: Simplify right side
    2,675.06x = 9,421,203.99
  5. Step 5: Solve for x
    x = 9,421,203.99/2,675.06
  6. Step 6: Final answer
    x = 3,521.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.