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Finding the Fourth Proportional to 3,653.87, 5,041.10 and 2,080.85

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Solution

The fourth proportional to 3,653.87, 5,041.10 and 2,080.85 is: 2,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.87 : 5,041.10 = 2,080.85 : x
  2. Step 2: Convert to fraction form
    3,653.87/5,041.10 = 2,080.85/x
  3. Step 3: Cross multiply
    3,653.87x = 5,041.10 × 2,080.85
  4. Step 4: Simplify right side
    3,653.87x = 10,489,737.33
  5. Step 5: Solve for x
    x = 10,489,737.33/3,653.87
  6. Step 6: Final answer
    x = 2,870.86

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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.