Home / 3,448.51-5,172.27-1,108.21

Finding the Fourth Proportional to 3,448.51, 5,172.27 and 1,108.21

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Solution

The fourth proportional to 3,448.51, 5,172.27 and 1,108.21 is: 1,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.51 : 5,172.27 = 1,108.21 : x
  2. Step 2: Convert to fraction form
    3,448.51/5,172.27 = 1,108.21/x
  3. Step 3: Cross multiply
    3,448.51x = 5,172.27 × 1,108.21
  4. Step 4: Simplify right side
    3,448.51x = 5,731,961.34
  5. Step 5: Solve for x
    x = 5,731,961.34/3,448.51
  6. Step 6: Final answer
    x = 1,662.16

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1.5x scale

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.