Home / 2,161.28-3,237.67-2,009.41

Finding the Fourth Proportional to 2,161.28, 3,237.67 and 2,009.41

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Solution

The fourth proportional to 2,161.28, 3,237.67 and 2,009.41 is: 3,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.28 : 3,237.67 = 2,009.41 : x
  2. Step 2: Convert to fraction form
    2,161.28/3,237.67 = 2,009.41/x
  3. Step 3: Cross multiply
    2,161.28x = 3,237.67 × 2,009.41
  4. Step 4: Simplify right side
    2,161.28x = 6,505,800.89
  5. Step 5: Solve for x
    x = 6,505,800.89/2,161.28
  6. Step 6: Final answer
    x = 3,010.16

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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.