Home / 3,690.26-5,091.71-2,096.51

Finding the Fourth Proportional to 3,690.26, 5,091.71 and 2,096.51

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Solution

The fourth proportional to 3,690.26, 5,091.71 and 2,096.51 is: 2,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.26 : 5,091.71 = 2,096.51 : x
  2. Step 2: Convert to fraction form
    3,690.26/5,091.71 = 2,096.51/x
  3. Step 3: Cross multiply
    3,690.26x = 5,091.71 × 2,096.51
  4. Step 4: Simplify right side
    3,690.26x = 10,674,823.18
  5. Step 5: Solve for x
    x = 10,674,823.18/3,690.26
  6. Step 6: Final answer
    x = 2,892.71

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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.