Home / 3,790.97-5,230.09-2,798.62

Finding the Fourth Proportional to 3,790.97, 5,230.09 and 2,798.62

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Solution

The fourth proportional to 3,790.97, 5,230.09 and 2,798.62 is: 3,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.97 : 5,230.09 = 2,798.62 : x
  2. Step 2: Convert to fraction form
    3,790.97/5,230.09 = 2,798.62/x
  3. Step 3: Cross multiply
    3,790.97x = 5,230.09 × 2,798.62
  4. Step 4: Simplify right side
    3,790.97x = 14,637,034.48
  5. Step 5: Solve for x
    x = 14,637,034.48/3,790.97
  6. Step 6: Final answer
    x = 3,861.03

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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.