Home / 3,291.36-4,936.56-1,100.04

Finding the Fourth Proportional to 3,291.36, 4,936.56 and 1,100.04

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Solution

The fourth proportional to 3,291.36, 4,936.56 and 1,100.04 is: 1,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.36 : 4,936.56 = 1,100.04 : x
  2. Step 2: Convert to fraction form
    3,291.36/4,936.56 = 1,100.04/x
  3. Step 3: Cross multiply
    3,291.36x = 4,936.56 × 1,100.04
  4. Step 4: Simplify right side
    3,291.36x = 5,430,413.46
  5. Step 5: Solve for x
    x = 5,430,413.46/3,291.36
  6. Step 6: Final answer
    x = 1,649.90

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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.