Home / 3,722.54-5,137.37-2,461.40

Finding the Fourth Proportional to 3,722.54, 5,137.37 and 2,461.40

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Solution

The fourth proportional to 3,722.54, 5,137.37 and 2,461.40 is: 3,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.54 : 5,137.37 = 2,461.40 : x
  2. Step 2: Convert to fraction form
    3,722.54/5,137.37 = 2,461.40/x
  3. Step 3: Cross multiply
    3,722.54x = 5,137.37 × 2,461.40
  4. Step 4: Simplify right side
    3,722.54x = 12,645,141.92
  5. Step 5: Solve for x
    x = 12,645,141.92/3,722.54
  6. Step 6: Final answer
    x = 3,396.91

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1.5x scale

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.