Home / 1,801.56-2,481.18-1,684.44

Finding the Fourth Proportional to 1,801.56, 2,481.18 and 1,684.44

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Solution

The fourth proportional to 1,801.56, 2,481.18 and 1,684.44 is: 2,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.56 : 2,481.18 = 1,684.44 : x
  2. Step 2: Convert to fraction form
    1,801.56/2,481.18 = 1,684.44/x
  3. Step 3: Cross multiply
    1,801.56x = 2,481.18 × 1,684.44
  4. Step 4: Simplify right side
    1,801.56x = 4,179,398.84
  5. Step 5: Solve for x
    x = 4,179,398.84/1,801.56
  6. Step 6: Final answer
    x = 2,319.88

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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.