Home / 2,671.22-3,685.61-1,608.13

Finding the Fourth Proportional to 2,671.22, 3,685.61 and 1,608.13

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Solution

The fourth proportional to 2,671.22, 3,685.61 and 1,608.13 is: 2,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.22 : 3,685.61 = 1,608.13 : x
  2. Step 2: Convert to fraction form
    2,671.22/3,685.61 = 1,608.13/x
  3. Step 3: Cross multiply
    2,671.22x = 3,685.61 × 1,608.13
  4. Step 4: Simplify right side
    2,671.22x = 5,926,930.36
  5. Step 5: Solve for x
    x = 5,926,930.36/2,671.22
  6. Step 6: Final answer
    x = 2,218.81

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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.