Home / 3,328.92-4,993.38-1,138.28

Finding the Fourth Proportional to 3,328.92, 4,993.38 and 1,138.28

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Solution

The fourth proportional to 3,328.92, 4,993.38 and 1,138.28 is: 1,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.92 : 4,993.38 = 1,138.28 : x
  2. Step 2: Convert to fraction form
    3,328.92/4,993.38 = 1,138.28/x
  3. Step 3: Cross multiply
    3,328.92x = 4,993.38 × 1,138.28
  4. Step 4: Simplify right side
    3,328.92x = 5,683,839.62
  5. Step 5: Solve for x
    x = 5,683,839.62/3,328.92
  6. Step 6: Final answer
    x = 1,707.41

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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.