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Finding the Fourth Proportional to 3,806.88, 5,710.50 and 3,599.07

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Solution

The fourth proportional to 3,806.88, 5,710.50 and 3,599.07 is: 5,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.88 : 5,710.50 = 3,599.07 : x
  2. Step 2: Convert to fraction form
    3,806.88/5,710.50 = 3,599.07/x
  3. Step 3: Cross multiply
    3,806.88x = 5,710.50 × 3,599.07
  4. Step 4: Simplify right side
    3,806.88x = 20,552,489.24
  5. Step 5: Solve for x
    x = 20,552,489.24/3,806.88
  6. Step 6: Final answer
    x = 5,398.78

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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.