Home / 3,009.48-4,512.04-1,135.09

Finding the Fourth Proportional to 3,009.48, 4,512.04 and 1,135.09

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Solution

The fourth proportional to 3,009.48, 4,512.04 and 1,135.09 is: 1,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.48 : 4,512.04 = 1,135.09 : x
  2. Step 2: Convert to fraction form
    3,009.48/4,512.04 = 1,135.09/x
  3. Step 3: Cross multiply
    3,009.48x = 4,512.04 × 1,135.09
  4. Step 4: Simplify right side
    3,009.48x = 5,121,571.48
  5. Step 5: Solve for x
    x = 5,121,571.48/3,009.48
  6. Step 6: Final answer
    x = 1,701.81

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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.