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Finding the Fourth Proportional to 2,600.88, 3,589.56 and 1,672.08

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Solution

The fourth proportional to 2,600.88, 3,589.56 and 1,672.08 is: 2,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.88 : 3,589.56 = 1,672.08 : x
  2. Step 2: Convert to fraction form
    2,600.88/3,589.56 = 1,672.08/x
  3. Step 3: Cross multiply
    2,600.88x = 3,589.56 × 1,672.08
  4. Step 4: Simplify right side
    2,600.88x = 6,002,031.48
  5. Step 5: Solve for x
    x = 6,002,031.48/2,600.88
  6. Step 6: Final answer
    x = 2,307.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.