Home / 2,934.96-4,400.88-1,086

Finding the Fourth Proportional to 2,934.96, 4,400.88 and 1,086

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Solution

The fourth proportional to 2,934.96, 4,400.88 and 1,086 is: 1,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.96 : 4,400.88 = 1,086 : x
  2. Step 2: Convert to fraction form
    2,934.96/4,400.88 = 1,086/x
  3. Step 3: Cross multiply
    2,934.96x = 4,400.88 × 1,086
  4. Step 4: Simplify right side
    2,934.96x = 4,779,355.68
  5. Step 5: Solve for x
    x = 4,779,355.68/2,934.96
  6. Step 6: Final answer
    x = 1,628.42

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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.