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Finding the Fourth Proportional to 3,988.63, 5,974.03 and 2,597.73

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Solution

The fourth proportional to 3,988.63, 5,974.03 and 2,597.73 is: 3,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.63 : 5,974.03 = 2,597.73 : x
  2. Step 2: Convert to fraction form
    3,988.63/5,974.03 = 2,597.73/x
  3. Step 3: Cross multiply
    3,988.63x = 5,974.03 × 2,597.73
  4. Step 4: Simplify right side
    3,988.63x = 15,518,916.95
  5. Step 5: Solve for x
    x = 15,518,916.95/3,988.63
  6. Step 6: Final answer
    x = 3,890.79

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1.5x scale

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.