Home / 3,358.45-4,634.58-1,961.20

Finding the Fourth Proportional to 3,358.45, 4,634.58 and 1,961.20

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Solution

The fourth proportional to 3,358.45, 4,634.58 and 1,961.20 is: 2,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.45 : 4,634.58 = 1,961.20 : x
  2. Step 2: Convert to fraction form
    3,358.45/4,634.58 = 1,961.20/x
  3. Step 3: Cross multiply
    3,358.45x = 4,634.58 × 1,961.20
  4. Step 4: Simplify right side
    3,358.45x = 9,089,338.30
  5. Step 5: Solve for x
    x = 9,089,338.30/3,358.45
  6. Step 6: Final answer
    x = 2,706.41

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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.