Home / 1,418.46-2,127.39-444.44

Finding the Fourth Proportional to 1,418.46, 2,127.39 and 444.44

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Solution

The fourth proportional to 1,418.46, 2,127.39 and 444.44 is: 666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.46 : 2,127.39 = 444.44 : x
  2. Step 2: Convert to fraction form
    1,418.46/2,127.39 = 444.44/x
  3. Step 3: Cross multiply
    1,418.46x = 2,127.39 × 444.44
  4. Step 4: Simplify right side
    1,418.46x = 945,497.21
  5. Step 5: Solve for x
    x = 945,497.21/1,418.46
  6. Step 6: Final answer
    x = 666.57

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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.