Home / 2,966.69-4,094.06-1,640.42

Finding the Fourth Proportional to 2,966.69, 4,094.06 and 1,640.42

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Solution

The fourth proportional to 2,966.69, 4,094.06 and 1,640.42 is: 2,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.69 : 4,094.06 = 1,640.42 : x
  2. Step 2: Convert to fraction form
    2,966.69/4,094.06 = 1,640.42/x
  3. Step 3: Cross multiply
    2,966.69x = 4,094.06 × 1,640.42
  4. Step 4: Simplify right side
    2,966.69x = 6,715,949.23
  5. Step 5: Solve for x
    x = 6,715,949.23/2,966.69
  6. Step 6: Final answer
    x = 2,263.78

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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.