Home / 2,784.23-3,843.06-1,722.32

Finding the Fourth Proportional to 2,784.23, 3,843.06 and 1,722.32

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Solution

The fourth proportional to 2,784.23, 3,843.06 and 1,722.32 is: 2,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.23 : 3,843.06 = 1,722.32 : x
  2. Step 2: Convert to fraction form
    2,784.23/3,843.06 = 1,722.32/x
  3. Step 3: Cross multiply
    2,784.23x = 3,843.06 × 1,722.32
  4. Step 4: Simplify right side
    2,784.23x = 6,618,959.88
  5. Step 5: Solve for x
    x = 6,618,959.88/2,784.23
  6. Step 6: Final answer
    x = 2,377.31

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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.