Home / 3,508.92-4,840.92-2,180.25

Finding the Fourth Proportional to 3,508.92, 4,840.92 and 2,180.25

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Solution

The fourth proportional to 3,508.92, 4,840.92 and 2,180.25 is: 3,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.92 : 4,840.92 = 2,180.25 : x
  2. Step 2: Convert to fraction form
    3,508.92/4,840.92 = 2,180.25/x
  3. Step 3: Cross multiply
    3,508.92x = 4,840.92 × 2,180.25
  4. Step 4: Simplify right side
    3,508.92x = 10,554,415.83
  5. Step 5: Solve for x
    x = 10,554,415.83/3,508.92
  6. Step 6: Final answer
    x = 3,007.88

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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.