Home / 4,243.18-5,855.42-2,380.06

Finding the Fourth Proportional to 4,243.18, 5,855.42 and 2,380.06

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Solution

The fourth proportional to 4,243.18, 5,855.42 and 2,380.06 is: 3,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.18 : 5,855.42 = 2,380.06 : x
  2. Step 2: Convert to fraction form
    4,243.18/5,855.42 = 2,380.06/x
  3. Step 3: Cross multiply
    4,243.18x = 5,855.42 × 2,380.06
  4. Step 4: Simplify right side
    4,243.18x = 13,936,250.93
  5. Step 5: Solve for x
    x = 13,936,250.93/4,243.18
  6. Step 6: Final answer
    x = 3,284.39

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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.