Home / 2,843.44-3,925.88-1,781.64

Finding the Fourth Proportional to 2,843.44, 3,925.88 and 1,781.64

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Solution

The fourth proportional to 2,843.44, 3,925.88 and 1,781.64 is: 2,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.44 : 3,925.88 = 1,781.64 : x
  2. Step 2: Convert to fraction form
    2,843.44/3,925.88 = 1,781.64/x
  3. Step 3: Cross multiply
    2,843.44x = 3,925.88 × 1,781.64
  4. Step 4: Simplify right side
    2,843.44x = 6,994,504.84
  5. Step 5: Solve for x
    x = 6,994,504.84/2,843.44
  6. Step 6: Final answer
    x = 2,459.87

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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.