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Finding the Fourth Proportional to 3,653.84, 5,482.68 and 1,922.64

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Solution

The fourth proportional to 3,653.84, 5,482.68 and 1,922.64 is: 2,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.84 : 5,482.68 = 1,922.64 : x
  2. Step 2: Convert to fraction form
    3,653.84/5,482.68 = 1,922.64/x
  3. Step 3: Cross multiply
    3,653.84x = 5,482.68 × 1,922.64
  4. Step 4: Simplify right side
    3,653.84x = 10,541,219.88
  5. Step 5: Solve for x
    x = 10,541,219.88/3,653.84
  6. Step 6: Final answer
    x = 2,884.97

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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.