Home / 3,790.23-5,228.07-2,447.55

Finding the Fourth Proportional to 3,790.23, 5,228.07 and 2,447.55

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Solution

The fourth proportional to 3,790.23, 5,228.07 and 2,447.55 is: 3,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.23 : 5,228.07 = 2,447.55 : x
  2. Step 2: Convert to fraction form
    3,790.23/5,228.07 = 2,447.55/x
  3. Step 3: Cross multiply
    3,790.23x = 5,228.07 × 2,447.55
  4. Step 4: Simplify right side
    3,790.23x = 12,795,962.73
  5. Step 5: Solve for x
    x = 12,795,962.73/3,790.23
  6. Step 6: Final answer
    x = 3,376.04

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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.