Home / 1,369.10-2,053.44-444.73

Finding the Fourth Proportional to 1,369.10, 2,053.44 and 444.73

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Solution

The fourth proportional to 1,369.10, 2,053.44 and 444.73 is: 667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.10 : 2,053.44 = 444.73 : x
  2. Step 2: Convert to fraction form
    1,369.10/2,053.44 = 444.73/x
  3. Step 3: Cross multiply
    1,369.10x = 2,053.44 × 444.73
  4. Step 4: Simplify right side
    1,369.10x = 913,224.15
  5. Step 5: Solve for x
    x = 913,224.15/1,369.10
  6. Step 6: Final answer
    x = 667.03

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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.