Home / 4,243.20-5,855.79-2,564.61

Finding the Fourth Proportional to 4,243.20, 5,855.79 and 2,564.61

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Solution

The fourth proportional to 4,243.20, 5,855.79 and 2,564.61 is: 3,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.20 : 5,855.79 = 2,564.61 : x
  2. Step 2: Convert to fraction form
    4,243.20/5,855.79 = 2,564.61/x
  3. Step 3: Cross multiply
    4,243.20x = 5,855.79 × 2,564.61
  4. Step 4: Simplify right side
    4,243.20x = 15,017,817.59
  5. Step 5: Solve for x
    x = 15,017,817.59/4,243.20
  6. Step 6: Final answer
    x = 3,539.27

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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.