Home / 1,448.21-2,173.10-1,369.81

Finding the Fourth Proportional to 1,448.21, 2,173.10 and 1,369.81

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Solution

The fourth proportional to 1,448.21, 2,173.10 and 1,369.81 is: 2,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.21 : 2,173.10 = 1,369.81 : x
  2. Step 2: Convert to fraction form
    1,448.21/2,173.10 = 1,369.81/x
  3. Step 3: Cross multiply
    1,448.21x = 2,173.10 × 1,369.81
  4. Step 4: Simplify right side
    1,448.21x = 2,976,729.98
  5. Step 5: Solve for x
    x = 2,976,729.98/1,448.21
  6. Step 6: Final answer
    x = 2,055.45

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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.