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Finding the Fourth Proportional to 2,009.89, 3,014.08 and 693.27

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Solution

The fourth proportional to 2,009.89, 3,014.08 and 693.27 is: 1,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.89 : 3,014.08 = 693.27 : x
  2. Step 2: Convert to fraction form
    2,009.89/3,014.08 = 693.27/x
  3. Step 3: Cross multiply
    2,009.89x = 3,014.08 × 693.27
  4. Step 4: Simplify right side
    2,009.89x = 2,089,571.24
  5. Step 5: Solve for x
    x = 2,089,571.24/2,009.89
  6. Step 6: Final answer
    x = 1,039.64

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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.