Home / 3,419.32-4,719.16-2,092.80

Finding the Fourth Proportional to 3,419.32, 4,719.16 and 2,092.80

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Solution

The fourth proportional to 3,419.32, 4,719.16 and 2,092.80 is: 2,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.32 : 4,719.16 = 2,092.80 : x
  2. Step 2: Convert to fraction form
    3,419.32/4,719.16 = 2,092.80/x
  3. Step 3: Cross multiply
    3,419.32x = 4,719.16 × 2,092.80
  4. Step 4: Simplify right side
    3,419.32x = 9,876,258.05
  5. Step 5: Solve for x
    x = 9,876,258.05/3,419.32
  6. Step 6: Final answer
    x = 2,888.37

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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.