Home / 1,484.15-2,225.50-443.79

Finding the Fourth Proportional to 1,484.15, 2,225.50 and 443.79

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Solution

The fourth proportional to 1,484.15, 2,225.50 and 443.79 is: 665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.15 : 2,225.50 = 443.79 : x
  2. Step 2: Convert to fraction form
    1,484.15/2,225.50 = 443.79/x
  3. Step 3: Cross multiply
    1,484.15x = 2,225.50 × 443.79
  4. Step 4: Simplify right side
    1,484.15x = 987,654.65
  5. Step 5: Solve for x
    x = 987,654.65/1,484.15
  6. Step 6: Final answer
    x = 665.47

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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.