Home / 3,458.67-5,183.15-1,506.78

Finding the Fourth Proportional to 3,458.67, 5,183.15 and 1,506.78

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Solution

The fourth proportional to 3,458.67, 5,183.15 and 1,506.78 is: 2,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.67 : 5,183.15 = 1,506.78 : x
  2. Step 2: Convert to fraction form
    3,458.67/5,183.15 = 1,506.78/x
  3. Step 3: Cross multiply
    3,458.67x = 5,183.15 × 1,506.78
  4. Step 4: Simplify right side
    3,458.67x = 7,809,859.22
  5. Step 5: Solve for x
    x = 7,809,859.22/3,458.67
  6. Step 6: Final answer
    x = 2,258.05

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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.