Home / 3,328.32-4,993.62-1,138.59

Finding the Fourth Proportional to 3,328.32, 4,993.62 and 1,138.59

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Solution

The fourth proportional to 3,328.32, 4,993.62 and 1,138.59 is: 1,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.32 : 4,993.62 = 1,138.59 : x
  2. Step 2: Convert to fraction form
    3,328.32/4,993.62 = 1,138.59/x
  3. Step 3: Cross multiply
    3,328.32x = 4,993.62 × 1,138.59
  4. Step 4: Simplify right side
    3,328.32x = 5,685,685.80
  5. Step 5: Solve for x
    x = 5,685,685.80/3,328.32
  6. Step 6: Final answer
    x = 1,708.27

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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.