Home / 3,153.78-4,734.85-2,694.51

Finding the Fourth Proportional to 3,153.78, 4,734.85 and 2,694.51

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Solution

The fourth proportional to 3,153.78, 4,734.85 and 2,694.51 is: 4,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.78 : 4,734.85 = 2,694.51 : x
  2. Step 2: Convert to fraction form
    3,153.78/4,734.85 = 2,694.51/x
  3. Step 3: Cross multiply
    3,153.78x = 4,734.85 × 2,694.51
  4. Step 4: Simplify right side
    3,153.78x = 12,758,100.67
  5. Step 5: Solve for x
    x = 12,758,100.67/3,153.78
  6. Step 6: Final answer
    x = 4,045.34

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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.