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Finding the Fourth Proportional to 3,653.57, 5,041.23 and 2,081.63

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Solution

The fourth proportional to 3,653.57, 5,041.23 and 2,081.63 is: 2,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.57 : 5,041.23 = 2,081.63 : x
  2. Step 2: Convert to fraction form
    3,653.57/5,041.23 = 2,081.63/x
  3. Step 3: Cross multiply
    3,653.57x = 5,041.23 × 2,081.63
  4. Step 4: Simplify right side
    3,653.57x = 10,493,975.60
  5. Step 5: Solve for x
    x = 10,493,975.60/3,653.57
  6. Step 6: Final answer
    x = 2,872.25

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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.