Home / 2,235.96-3,085.48-1,396.62

Finding the Fourth Proportional to 2,235.96, 3,085.48 and 1,396.62

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Solution

The fourth proportional to 2,235.96, 3,085.48 and 1,396.62 is: 1,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.96 : 3,085.48 = 1,396.62 : x
  2. Step 2: Convert to fraction form
    2,235.96/3,085.48 = 1,396.62/x
  3. Step 3: Cross multiply
    2,235.96x = 3,085.48 × 1,396.62
  4. Step 4: Simplify right side
    2,235.96x = 4,309,227.65
  5. Step 5: Solve for x
    x = 4,309,227.65/2,235.96
  6. Step 6: Final answer
    x = 1,927.24

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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.