Home / 2,457.82-3,687.44-1,418.56

Finding the Fourth Proportional to 2,457.82, 3,687.44 and 1,418.56

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Solution

The fourth proportional to 2,457.82, 3,687.44 and 1,418.56 is: 2,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.82 : 3,687.44 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    2,457.82/3,687.44 = 1,418.56/x
  3. Step 3: Cross multiply
    2,457.82x = 3,687.44 × 1,418.56
  4. Step 4: Simplify right side
    2,457.82x = 5,230,838.58
  5. Step 5: Solve for x
    x = 5,230,838.58/2,457.82
  6. Step 6: Final answer
    x = 2,128.25

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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.