Home / 3,393.21-4,682.66-1,901.15

Finding the Fourth Proportional to 3,393.21, 4,682.66 and 1,901.15

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Solution

The fourth proportional to 3,393.21, 4,682.66 and 1,901.15 is: 2,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.21 : 4,682.66 = 1,901.15 : x
  2. Step 2: Convert to fraction form
    3,393.21/4,682.66 = 1,901.15/x
  3. Step 3: Cross multiply
    3,393.21x = 4,682.66 × 1,901.15
  4. Step 4: Simplify right side
    3,393.21x = 8,902,406.14
  5. Step 5: Solve for x
    x = 8,902,406.14/3,393.21
  6. Step 6: Final answer
    x = 2,623.59

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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.