Home / 1,484.86-2,227.58-444.78

Finding the Fourth Proportional to 1,484.86, 2,227.58 and 444.78

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Solution

The fourth proportional to 1,484.86, 2,227.58 and 444.78 is: 667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.86 : 2,227.58 = 444.78 : x
  2. Step 2: Convert to fraction form
    1,484.86/2,227.58 = 444.78/x
  3. Step 3: Cross multiply
    1,484.86x = 2,227.58 × 444.78
  4. Step 4: Simplify right side
    1,484.86x = 990,778.09
  5. Step 5: Solve for x
    x = 990,778.09/1,484.86
  6. Step 6: Final answer
    x = 667.26

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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.