Home / 3,393.06-4,682.71-1,900.96

Finding the Fourth Proportional to 3,393.06, 4,682.71 and 1,900.96

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Solution

The fourth proportional to 3,393.06, 4,682.71 and 1,900.96 is: 2,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.06 : 4,682.71 = 1,900.96 : x
  2. Step 2: Convert to fraction form
    3,393.06/4,682.71 = 1,900.96/x
  3. Step 3: Cross multiply
    3,393.06x = 4,682.71 × 1,900.96
  4. Step 4: Simplify right side
    3,393.06x = 8,901,620.99
  5. Step 5: Solve for x
    x = 8,901,620.99/3,393.06
  6. Step 6: Final answer
    x = 2,623.48

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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.