Home / 3,994.73-5,516.19-2,505.20

Finding the Fourth Proportional to 3,994.73, 5,516.19 and 2,505.20

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Solution

The fourth proportional to 3,994.73, 5,516.19 and 2,505.20 is: 3,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.73 : 5,516.19 = 2,505.20 : x
  2. Step 2: Convert to fraction form
    3,994.73/5,516.19 = 2,505.20/x
  3. Step 3: Cross multiply
    3,994.73x = 5,516.19 × 2,505.20
  4. Step 4: Simplify right side
    3,994.73x = 13,819,146.66
  5. Step 5: Solve for x
    x = 13,819,146.66/3,994.73
  6. Step 6: Final answer
    x = 3,459.35

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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.