Home / 3,448.46-5,173.56-1,108.68

Finding the Fourth Proportional to 3,448.46, 5,173.56 and 1,108.68

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Solution

The fourth proportional to 3,448.46, 5,173.56 and 1,108.68 is: 1,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.46 : 5,173.56 = 1,108.68 : x
  2. Step 2: Convert to fraction form
    3,448.46/5,173.56 = 1,108.68/x
  3. Step 3: Cross multiply
    3,448.46x = 5,173.56 × 1,108.68
  4. Step 4: Simplify right side
    3,448.46x = 5,735,822.50
  5. Step 5: Solve for x
    x = 5,735,822.50/3,448.46
  6. Step 6: Final answer
    x = 1,663.30

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Double scale
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Similar ratio
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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.