Home / 2,874.36-3,966.67-2,245.62

Finding the Fourth Proportional to 2,874.36, 3,966.67 and 2,245.62

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Solution

The fourth proportional to 2,874.36, 3,966.67 and 2,245.62 is: 3,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.36 : 3,966.67 = 2,245.62 : x
  2. Step 2: Convert to fraction form
    2,874.36/3,966.67 = 2,245.62/x
  3. Step 3: Cross multiply
    2,874.36x = 3,966.67 × 2,245.62
  4. Step 4: Simplify right side
    2,874.36x = 8,907,633.49
  5. Step 5: Solve for x
    x = 8,907,633.49/2,874.36
  6. Step 6: Final answer
    x = 3,099.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.