Home / 4,081.67-5,631.09-2,664.91

Finding the Fourth Proportional to 4,081.67, 5,631.09 and 2,664.91

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Solution

The fourth proportional to 4,081.67, 5,631.09 and 2,664.91 is: 3,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.67 : 5,631.09 = 2,664.91 : x
  2. Step 2: Convert to fraction form
    4,081.67/5,631.09 = 2,664.91/x
  3. Step 3: Cross multiply
    4,081.67x = 5,631.09 × 2,664.91
  4. Step 4: Simplify right side
    4,081.67x = 15,006,306.57
  5. Step 5: Solve for x
    x = 15,006,306.57/4,081.67
  6. Step 6: Final answer
    x = 3,676.51

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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.