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Finding the Fourth Proportional to 3,599.11, 4,965.08 and 2,106.11

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Solution

The fourth proportional to 3,599.11, 4,965.08 and 2,106.11 is: 2,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.11 : 4,965.08 = 2,106.11 : x
  2. Step 2: Convert to fraction form
    3,599.11/4,965.08 = 2,106.11/x
  3. Step 3: Cross multiply
    3,599.11x = 4,965.08 × 2,106.11
  4. Step 4: Simplify right side
    3,599.11x = 10,456,977.53
  5. Step 5: Solve for x
    x = 10,456,977.53/3,599.11
  6. Step 6: Final answer
    x = 2,905.43

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1.5x scale

Why These Related Problems?

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