Home / 3,689.53-5,091.57-2,010.97

Finding the Fourth Proportional to 3,689.53, 5,091.57 and 2,010.97

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Solution

The fourth proportional to 3,689.53, 5,091.57 and 2,010.97 is: 2,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.53 : 5,091.57 = 2,010.97 : x
  2. Step 2: Convert to fraction form
    3,689.53/5,091.57 = 2,010.97/x
  3. Step 3: Cross multiply
    3,689.53x = 5,091.57 × 2,010.97
  4. Step 4: Simplify right side
    3,689.53x = 10,238,984.47
  5. Step 5: Solve for x
    x = 10,238,984.47/3,689.53
  6. Step 6: Final answer
    x = 2,775.15

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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.