Home / 1,418.25-2,127.37-444.42

Finding the Fourth Proportional to 1,418.25, 2,127.37 and 444.42

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Solution

The fourth proportional to 1,418.25, 2,127.37 and 444.42 is: 666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.25 : 2,127.37 = 444.42 : x
  2. Step 2: Convert to fraction form
    1,418.25/2,127.37 = 444.42/x
  3. Step 3: Cross multiply
    1,418.25x = 2,127.37 × 444.42
  4. Step 4: Simplify right side
    1,418.25x = 945,448.87
  5. Step 5: Solve for x
    x = 945,448.87/1,418.25
  6. Step 6: Final answer
    x = 666.63

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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.