Home / 3,512.83-4,847.70-1,940.93

Finding the Fourth Proportional to 3,512.83, 4,847.70 and 1,940.93

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Solution

The fourth proportional to 3,512.83, 4,847.70 and 1,940.93 is: 2,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.83 : 4,847.70 = 1,940.93 : x
  2. Step 2: Convert to fraction form
    3,512.83/4,847.70 = 1,940.93/x
  3. Step 3: Cross multiply
    3,512.83x = 4,847.70 × 1,940.93
  4. Step 4: Simplify right side
    3,512.83x = 9,409,046.36
  5. Step 5: Solve for x
    x = 9,409,046.36/3,512.83
  6. Step 6: Final answer
    x = 2,678.48

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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.