Home / 2,343.87-3,235.98-2,231.48

Finding the Fourth Proportional to 2,343.87, 3,235.98 and 2,231.48

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Solution

The fourth proportional to 2,343.87, 3,235.98 and 2,231.48 is: 3,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.87 : 3,235.98 = 2,231.48 : x
  2. Step 2: Convert to fraction form
    2,343.87/3,235.98 = 2,231.48/x
  3. Step 3: Cross multiply
    2,343.87x = 3,235.98 × 2,231.48
  4. Step 4: Simplify right side
    2,343.87x = 7,221,024.65
  5. Step 5: Solve for x
    x = 7,221,024.65/2,343.87
  6. Step 6: Final answer
    x = 3,080.81

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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.