Home / 2,966.75-4,450.12-1,118.28

Finding the Fourth Proportional to 2,966.75, 4,450.12 and 1,118.28

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Solution

The fourth proportional to 2,966.75, 4,450.12 and 1,118.28 is: 1,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.75 : 4,450.12 = 1,118.28 : x
  2. Step 2: Convert to fraction form
    2,966.75/4,450.12 = 1,118.28/x
  3. Step 3: Cross multiply
    2,966.75x = 4,450.12 × 1,118.28
  4. Step 4: Simplify right side
    2,966.75x = 4,976,471.86
  5. Step 5: Solve for x
    x = 4,976,471.86/2,966.75
  6. Step 6: Final answer
    x = 1,677.42

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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.