Home / 2,784.44-3,841.24-1,721.32

Finding the Fourth Proportional to 2,784.44, 3,841.24 and 1,721.32

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Solution

The fourth proportional to 2,784.44, 3,841.24 and 1,721.32 is: 2,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.44 : 3,841.24 = 1,721.32 : x
  2. Step 2: Convert to fraction form
    2,784.44/3,841.24 = 1,721.32/x
  3. Step 3: Cross multiply
    2,784.44x = 3,841.24 × 1,721.32
  4. Step 4: Simplify right side
    2,784.44x = 6,612,003.24
  5. Step 5: Solve for x
    x = 6,612,003.24/2,784.44
  6. Step 6: Final answer
    x = 2,374.63

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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.