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Finding the Fourth Proportional to 2,599.45, 3,899.04 and 955.89

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Solution

The fourth proportional to 2,599.45, 3,899.04 and 955.89 is: 1,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.45 : 3,899.04 = 955.89 : x
  2. Step 2: Convert to fraction form
    2,599.45/3,899.04 = 955.89/x
  3. Step 3: Cross multiply
    2,599.45x = 3,899.04 × 955.89
  4. Step 4: Simplify right side
    2,599.45x = 3,727,029.07
  5. Step 5: Solve for x
    x = 3,727,029.07/2,599.45
  6. Step 6: Final answer
    x = 1,433.78

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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.