Home / 3,790.56-5,231.28-2,394.72

Finding the Fourth Proportional to 3,790.56, 5,231.28 and 2,394.72

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Solution

The fourth proportional to 3,790.56, 5,231.28 and 2,394.72 is: 3,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.56 : 5,231.28 = 2,394.72 : x
  2. Step 2: Convert to fraction form
    3,790.56/5,231.28 = 2,394.72/x
  3. Step 3: Cross multiply
    3,790.56x = 5,231.28 × 2,394.72
  4. Step 4: Simplify right side
    3,790.56x = 12,527,450.84
  5. Step 5: Solve for x
    x = 12,527,450.84/3,790.56
  6. Step 6: Final answer
    x = 3,304.91

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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.