Home / 3,641.72-5,461.51-2,081.43

Finding the Fourth Proportional to 3,641.72, 5,461.51 and 2,081.43

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Solution

The fourth proportional to 3,641.72, 5,461.51 and 2,081.43 is: 3,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.72 : 5,461.51 = 2,081.43 : x
  2. Step 2: Convert to fraction form
    3,641.72/5,461.51 = 2,081.43/x
  3. Step 3: Cross multiply
    3,641.72x = 5,461.51 × 2,081.43
  4. Step 4: Simplify right side
    3,641.72x = 11,367,746.53
  5. Step 5: Solve for x
    x = 11,367,746.53/3,641.72
  6. Step 6: Final answer
    x = 3,121.54

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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.