Home / 2,680.58-3,699.08-1,469.21

Finding the Fourth Proportional to 2,680.58, 3,699.08 and 1,469.21

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Solution

The fourth proportional to 2,680.58, 3,699.08 and 1,469.21 is: 2,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.58 : 3,699.08 = 1,469.21 : x
  2. Step 2: Convert to fraction form
    2,680.58/3,699.08 = 1,469.21/x
  3. Step 3: Cross multiply
    2,680.58x = 3,699.08 × 1,469.21
  4. Step 4: Simplify right side
    2,680.58x = 5,434,704.99
  5. Step 5: Solve for x
    x = 5,434,704.99/2,680.58
  6. Step 6: Final answer
    x = 2,027.43

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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.