Home / 3,084.87-4,644.37-2,117.33

Finding the Fourth Proportional to 3,084.87, 4,644.37 and 2,117.33

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Solution

The fourth proportional to 3,084.87, 4,644.37 and 2,117.33 is: 3,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.87 : 4,644.37 = 2,117.33 : x
  2. Step 2: Convert to fraction form
    3,084.87/4,644.37 = 2,117.33/x
  3. Step 3: Cross multiply
    3,084.87x = 4,644.37 × 2,117.33
  4. Step 4: Simplify right side
    3,084.87x = 9,833,663.93
  5. Step 5: Solve for x
    x = 9,833,663.93/3,084.87
  6. Step 6: Final answer
    x = 3,187.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.