Home / 3,454.79-5,184.32-2,747.81

Finding the Fourth Proportional to 3,454.79, 5,184.32 and 2,747.81

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Solution

The fourth proportional to 3,454.79, 5,184.32 and 2,747.81 is: 4,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.79 : 5,184.32 = 2,747.81 : x
  2. Step 2: Convert to fraction form
    3,454.79/5,184.32 = 2,747.81/x
  3. Step 3: Cross multiply
    3,454.79x = 5,184.32 × 2,747.81
  4. Step 4: Simplify right side
    3,454.79x = 14,245,486.68
  5. Step 5: Solve for x
    x = 14,245,486.68/3,454.79
  6. Step 6: Final answer
    x = 4,123.41

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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.