Home / 3,404.80-5,107.20-2,858.06

Finding the Fourth Proportional to 3,404.80, 5,107.20 and 2,858.06

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Solution

The fourth proportional to 3,404.80, 5,107.20 and 2,858.06 is: 4,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.80 : 5,107.20 = 2,858.06 : x
  2. Step 2: Convert to fraction form
    3,404.80/5,107.20 = 2,858.06/x
  3. Step 3: Cross multiply
    3,404.80x = 5,107.20 × 2,858.06
  4. Step 4: Simplify right side
    3,404.80x = 14,596,684.03
  5. Step 5: Solve for x
    x = 14,596,684.03/3,404.80
  6. Step 6: Final answer
    x = 4,287.09

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1.5x scale

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.