Home / 3,742.56-5,615.74-2,653.92

Finding the Fourth Proportional to 3,742.56, 5,615.74 and 2,653.92

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Solution

The fourth proportional to 3,742.56, 5,615.74 and 2,653.92 is: 3,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.56 : 5,615.74 = 2,653.92 : x
  2. Step 2: Convert to fraction form
    3,742.56/5,615.74 = 2,653.92/x
  3. Step 3: Cross multiply
    3,742.56x = 5,615.74 × 2,653.92
  4. Step 4: Simplify right side
    3,742.56x = 14,903,724.70
  5. Step 5: Solve for x
    x = 14,903,724.70/3,742.56
  6. Step 6: Final answer
    x = 3,982.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.