Home / 3,269.09-4,509.07-2,149.67

Finding the Fourth Proportional to 3,269.09, 4,509.07 and 2,149.67

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Solution

The fourth proportional to 3,269.09, 4,509.07 and 2,149.67 is: 2,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.09 : 4,509.07 = 2,149.67 : x
  2. Step 2: Convert to fraction form
    3,269.09/4,509.07 = 2,149.67/x
  3. Step 3: Cross multiply
    3,269.09x = 4,509.07 × 2,149.67
  4. Step 4: Simplify right side
    3,269.09x = 9,693,018.41
  5. Step 5: Solve for x
    x = 9,693,018.41/3,269.09
  6. Step 6: Final answer
    x = 2,965.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.