Home / 3,358.60-4,634.34-1,961.32

Finding the Fourth Proportional to 3,358.60, 4,634.34 and 1,961.32

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Solution

The fourth proportional to 3,358.60, 4,634.34 and 1,961.32 is: 2,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.60 : 4,634.34 = 1,961.32 : x
  2. Step 2: Convert to fraction form
    3,358.60/4,634.34 = 1,961.32/x
  3. Step 3: Cross multiply
    3,358.60x = 4,634.34 × 1,961.32
  4. Step 4: Simplify right side
    3,358.60x = 9,089,423.73
  5. Step 5: Solve for x
    x = 9,089,423.73/3,358.60
  6. Step 6: Final answer
    x = 2,706.31

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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.