Home / 3,448.48-5,172.72-1,108.84

Finding the Fourth Proportional to 3,448.48, 5,172.72 and 1,108.84

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Solution

The fourth proportional to 3,448.48, 5,172.72 and 1,108.84 is: 1,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.48 : 5,172.72 = 1,108.84 : x
  2. Step 2: Convert to fraction form
    3,448.48/5,172.72 = 1,108.84/x
  3. Step 3: Cross multiply
    3,448.48x = 5,172.72 × 1,108.84
  4. Step 4: Simplify right side
    3,448.48x = 5,735,718.84
  5. Step 5: Solve for x
    x = 5,735,718.84/3,448.48
  6. Step 6: Final answer
    x = 1,663.26

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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.