Home / 3,940.32-5,910.59-1,018.63

Finding the Fourth Proportional to 3,940.32, 5,910.59 and 1,018.63

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Solution

The fourth proportional to 3,940.32, 5,910.59 and 1,018.63 is: 1,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.32 : 5,910.59 = 1,018.63 : x
  2. Step 2: Convert to fraction form
    3,940.32/5,910.59 = 1,018.63/x
  3. Step 3: Cross multiply
    3,940.32x = 5,910.59 × 1,018.63
  4. Step 4: Simplify right side
    3,940.32x = 6,020,704.29
  5. Step 5: Solve for x
    x = 6,020,704.29/3,940.32
  6. Step 6: Final answer
    x = 1,527.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.