Home / 3,458.28-5,181.84-2,070.96

Finding the Fourth Proportional to 3,458.28, 5,181.84 and 2,070.96

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Solution

The fourth proportional to 3,458.28, 5,181.84 and 2,070.96 is: 3,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.28 : 5,181.84 = 2,070.96 : x
  2. Step 2: Convert to fraction form
    3,458.28/5,181.84 = 2,070.96/x
  3. Step 3: Cross multiply
    3,458.28x = 5,181.84 × 2,070.96
  4. Step 4: Simplify right side
    3,458.28x = 10,731,383.37
  5. Step 5: Solve for x
    x = 10,731,383.37/3,458.28
  6. Step 6: Final answer
    x = 3,103.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.