Home / 3,220.05-4,830.75-1,028.97

Finding the Fourth Proportional to 3,220.05, 4,830.75 and 1,028.97

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Solution

The fourth proportional to 3,220.05, 4,830.75 and 1,028.97 is: 1,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.05 : 4,830.75 = 1,028.97 : x
  2. Step 2: Convert to fraction form
    3,220.05/4,830.75 = 1,028.97/x
  3. Step 3: Cross multiply
    3,220.05x = 4,830.75 × 1,028.97
  4. Step 4: Simplify right side
    3,220.05x = 4,970,696.83
  5. Step 5: Solve for x
    x = 4,970,696.83/3,220.05
  6. Step 6: Final answer
    x = 1,543.67

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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.