Home / 3,940.34-5,910.66-1,018.65

Finding the Fourth Proportional to 3,940.34, 5,910.66 and 1,018.65

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Solution

The fourth proportional to 3,940.34, 5,910.66 and 1,018.65 is: 1,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.34 : 5,910.66 = 1,018.65 : x
  2. Step 2: Convert to fraction form
    3,940.34/5,910.66 = 1,018.65/x
  3. Step 3: Cross multiply
    3,940.34x = 5,910.66 × 1,018.65
  4. Step 4: Simplify right side
    3,940.34x = 6,020,864.26
  5. Step 5: Solve for x
    x = 6,020,864.26/3,940.34
  6. Step 6: Final answer
    x = 1,528.01

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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.