Home / 3,722.79-5,137.72-2,461.66

Finding the Fourth Proportional to 3,722.79, 5,137.72 and 2,461.66

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Solution

The fourth proportional to 3,722.79, 5,137.72 and 2,461.66 is: 3,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.79 : 5,137.72 = 2,461.66 : x
  2. Step 2: Convert to fraction form
    3,722.79/5,137.72 = 2,461.66/x
  3. Step 3: Cross multiply
    3,722.79x = 5,137.72 × 2,461.66
  4. Step 4: Simplify right side
    3,722.79x = 12,647,281.82
  5. Step 5: Solve for x
    x = 12,647,281.82/3,722.79
  6. Step 6: Final answer
    x = 3,397.26

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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.