Home / 2,381.44-3,287.70-1,599.64

Finding the Fourth Proportional to 2,381.44, 3,287.70 and 1,599.64

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Solution

The fourth proportional to 2,381.44, 3,287.70 and 1,599.64 is: 2,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.44 : 3,287.70 = 1,599.64 : x
  2. Step 2: Convert to fraction form
    2,381.44/3,287.70 = 1,599.64/x
  3. Step 3: Cross multiply
    2,381.44x = 3,287.70 × 1,599.64
  4. Step 4: Simplify right side
    2,381.44x = 5,259,136.43
  5. Step 5: Solve for x
    x = 5,259,136.43/2,381.44
  6. Step 6: Final answer
    x = 2,208.39

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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.