Home / 1,484.04-2,225.46-443.68

Finding the Fourth Proportional to 1,484.04, 2,225.46 and 443.68

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Solution

The fourth proportional to 1,484.04, 2,225.46 and 443.68 is: 665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.04 : 2,225.46 = 443.68 : x
  2. Step 2: Convert to fraction form
    1,484.04/2,225.46 = 443.68/x
  3. Step 3: Cross multiply
    1,484.04x = 2,225.46 × 443.68
  4. Step 4: Simplify right side
    1,484.04x = 987,392.09
  5. Step 5: Solve for x
    x = 987,392.09/1,484.04
  6. Step 6: Final answer
    x = 665.34

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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.