Home / 3,784.92-5,220.39-2,606.37

Finding the Fourth Proportional to 3,784.92, 5,220.39 and 2,606.37

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Solution

The fourth proportional to 3,784.92, 5,220.39 and 2,606.37 is: 3,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.92 : 5,220.39 = 2,606.37 : x
  2. Step 2: Convert to fraction form
    3,784.92/5,220.39 = 2,606.37/x
  3. Step 3: Cross multiply
    3,784.92x = 5,220.39 × 2,606.37
  4. Step 4: Simplify right side
    3,784.92x = 13,606,267.88
  5. Step 5: Solve for x
    x = 13,606,267.88/3,784.92
  6. Step 6: Final answer
    x = 3,594.86

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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.