Home / 2,194.56-3,291.84-1,514.88

Finding the Fourth Proportional to 2,194.56, 3,291.84 and 1,514.88

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Solution

The fourth proportional to 2,194.56, 3,291.84 and 1,514.88 is: 2,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.56 : 3,291.84 = 1,514.88 : x
  2. Step 2: Convert to fraction form
    2,194.56/3,291.84 = 1,514.88/x
  3. Step 3: Cross multiply
    2,194.56x = 3,291.84 × 1,514.88
  4. Step 4: Simplify right side
    2,194.56x = 4,986,742.58
  5. Step 5: Solve for x
    x = 4,986,742.58/2,194.56
  6. Step 6: Final answer
    x = 2,272.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.