Home / 3,357.14-4,632.48-1,940.90

Finding the Fourth Proportional to 3,357.14, 4,632.48 and 1,940.90

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Solution

The fourth proportional to 3,357.14, 4,632.48 and 1,940.90 is: 2,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.14 : 4,632.48 = 1,940.90 : x
  2. Step 2: Convert to fraction form
    3,357.14/4,632.48 = 1,940.90/x
  3. Step 3: Cross multiply
    3,357.14x = 4,632.48 × 1,940.90
  4. Step 4: Simplify right side
    3,357.14x = 8,991,180.43
  5. Step 5: Solve for x
    x = 8,991,180.43/3,357.14
  6. Step 6: Final answer
    x = 2,678.23

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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.