Home / 2,843.94-3,926.56-1,782.12

Finding the Fourth Proportional to 2,843.94, 3,926.56 and 1,782.12

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Solution

The fourth proportional to 2,843.94, 3,926.56 and 1,782.12 is: 2,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.94 : 3,926.56 = 1,782.12 : x
  2. Step 2: Convert to fraction form
    2,843.94/3,926.56 = 1,782.12/x
  3. Step 3: Cross multiply
    2,843.94x = 3,926.56 × 1,782.12
  4. Step 4: Simplify right side
    2,843.94x = 6,997,601.11
  5. Step 5: Solve for x
    x = 6,997,601.11/2,843.94
  6. Step 6: Final answer
    x = 2,460.53

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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.