Home / 2,790.45-3,850.92-1,847.88

Finding the Fourth Proportional to 2,790.45, 3,850.92 and 1,847.88

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Solution

The fourth proportional to 2,790.45, 3,850.92 and 1,847.88 is: 2,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.45 : 3,850.92 = 1,847.88 : x
  2. Step 2: Convert to fraction form
    2,790.45/3,850.92 = 1,847.88/x
  3. Step 3: Cross multiply
    2,790.45x = 3,850.92 × 1,847.88
  4. Step 4: Simplify right side
    2,790.45x = 7,116,038.05
  5. Step 5: Solve for x
    x = 7,116,038.05/2,790.45
  6. Step 6: Final answer
    x = 2,550.14

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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.