Home / 1,485.09-2,227.65-444.86

Finding the Fourth Proportional to 1,485.09, 2,227.65 and 444.86

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Solution

The fourth proportional to 1,485.09, 2,227.65 and 444.86 is: 667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.09 : 2,227.65 = 444.86 : x
  2. Step 2: Convert to fraction form
    1,485.09/2,227.65 = 444.86/x
  3. Step 3: Cross multiply
    1,485.09x = 2,227.65 × 444.86
  4. Step 4: Simplify right side
    1,485.09x = 990,992.38
  5. Step 5: Solve for x
    x = 990,992.38/1,485.09
  6. Step 6: Final answer
    x = 667.29

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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.