Home / 4,085.88-5,638.58-2,222.88

Finding the Fourth Proportional to 4,085.88, 5,638.58 and 2,222.88

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Solution

The fourth proportional to 4,085.88, 5,638.58 and 2,222.88 is: 3,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.88 : 5,638.58 = 2,222.88 : x
  2. Step 2: Convert to fraction form
    4,085.88/5,638.58 = 2,222.88/x
  3. Step 3: Cross multiply
    4,085.88x = 5,638.58 × 2,222.88
  4. Step 4: Simplify right side
    4,085.88x = 12,533,886.71
  5. Step 5: Solve for x
    x = 12,533,886.71/4,085.88
  6. Step 6: Final answer
    x = 3,067.61

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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.