Home / 3,174.30-4,380.84-1,758.09

Finding the Fourth Proportional to 3,174.30, 4,380.84 and 1,758.09

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Solution

The fourth proportional to 3,174.30, 4,380.84 and 1,758.09 is: 2,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.30 : 4,380.84 = 1,758.09 : x
  2. Step 2: Convert to fraction form
    3,174.30/4,380.84 = 1,758.09/x
  3. Step 3: Cross multiply
    3,174.30x = 4,380.84 × 1,758.09
  4. Step 4: Simplify right side
    3,174.30x = 7,701,911.00
  5. Step 5: Solve for x
    x = 7,701,911.00/3,174.30
  6. Step 6: Final answer
    x = 2,426.33

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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.