Home / 4,081.42-5,630.74-2,664.65

Finding the Fourth Proportional to 4,081.42, 5,630.74 and 2,664.65

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Solution

The fourth proportional to 4,081.42, 5,630.74 and 2,664.65 is: 3,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.42 : 5,630.74 = 2,664.65 : x
  2. Step 2: Convert to fraction form
    4,081.42/5,630.74 = 2,664.65/x
  3. Step 3: Cross multiply
    4,081.42x = 5,630.74 × 2,664.65
  4. Step 4: Simplify right side
    4,081.42x = 15,003,958.76
  5. Step 5: Solve for x
    x = 15,003,958.76/4,081.42
  6. Step 6: Final answer
    x = 3,676.16

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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.