Home / 2,968.67-4,451.79-1,118.86

Finding the Fourth Proportional to 2,968.67, 4,451.79 and 1,118.86

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Solution

The fourth proportional to 2,968.67, 4,451.79 and 1,118.86 is: 1,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.67 : 4,451.79 = 1,118.86 : x
  2. Step 2: Convert to fraction form
    2,968.67/4,451.79 = 1,118.86/x
  3. Step 3: Cross multiply
    2,968.67x = 4,451.79 × 1,118.86
  4. Step 4: Simplify right side
    2,968.67x = 4,980,929.76
  5. Step 5: Solve for x
    x = 4,980,929.76/2,968.67
  6. Step 6: Final answer
    x = 1,677.83

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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.