Home / 2,966.21-4,093.59-1,640.03

Finding the Fourth Proportional to 2,966.21, 4,093.59 and 1,640.03

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Solution

The fourth proportional to 2,966.21, 4,093.59 and 1,640.03 is: 2,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.21 : 4,093.59 = 1,640.03 : x
  2. Step 2: Convert to fraction form
    2,966.21/4,093.59 = 1,640.03/x
  3. Step 3: Cross multiply
    2,966.21x = 4,093.59 × 1,640.03
  4. Step 4: Simplify right side
    2,966.21x = 6,713,626.79
  5. Step 5: Solve for x
    x = 6,713,626.79/2,966.21
  6. Step 6: Final answer
    x = 2,263.37

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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.