Home / 2,742.48-3,784.32-2,446.56

Finding the Fourth Proportional to 2,742.48, 3,784.32 and 2,446.56

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Solution

The fourth proportional to 2,742.48, 3,784.32 and 2,446.56 is: 3,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.48 : 3,784.32 = 2,446.56 : x
  2. Step 2: Convert to fraction form
    2,742.48/3,784.32 = 2,446.56/x
  3. Step 3: Cross multiply
    2,742.48x = 3,784.32 × 2,446.56
  4. Step 4: Simplify right side
    2,742.48x = 9,258,565.94
  5. Step 5: Solve for x
    x = 9,258,565.94/2,742.48
  6. Step 6: Final answer
    x = 3,375.98

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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.