Home / 2,825.12-4,239.30-2,343.98

Finding the Fourth Proportional to 2,825.12, 4,239.30 and 2,343.98

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Solution

The fourth proportional to 2,825.12, 4,239.30 and 2,343.98 is: 3,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.12 : 4,239.30 = 2,343.98 : x
  2. Step 2: Convert to fraction form
    2,825.12/4,239.30 = 2,343.98/x
  3. Step 3: Cross multiply
    2,825.12x = 4,239.30 × 2,343.98
  4. Step 4: Simplify right side
    2,825.12x = 9,936,834.41
  5. Step 5: Solve for x
    x = 9,936,834.41/2,825.12
  6. Step 6: Final answer
    x = 3,517.31

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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.