Home / 3,186.28-4,779.42-1,454.56

Finding the Fourth Proportional to 3,186.28, 4,779.42 and 1,454.56

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Solution

The fourth proportional to 3,186.28, 4,779.42 and 1,454.56 is: 2,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.28 : 4,779.42 = 1,454.56 : x
  2. Step 2: Convert to fraction form
    3,186.28/4,779.42 = 1,454.56/x
  3. Step 3: Cross multiply
    3,186.28x = 4,779.42 × 1,454.56
  4. Step 4: Simplify right side
    3,186.28x = 6,951,953.16
  5. Step 5: Solve for x
    x = 6,951,953.16/3,186.28
  6. Step 6: Final answer
    x = 2,181.84

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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.