Home / 2,794.37-4,191.84-1,313.46

Finding the Fourth Proportional to 2,794.37, 4,191.84 and 1,313.46

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Solution

The fourth proportional to 2,794.37, 4,191.84 and 1,313.46 is: 1,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.37 : 4,191.84 = 1,313.46 : x
  2. Step 2: Convert to fraction form
    2,794.37/4,191.84 = 1,313.46/x
  3. Step 3: Cross multiply
    2,794.37x = 4,191.84 × 1,313.46
  4. Step 4: Simplify right side
    2,794.37x = 5,505,814.17
  5. Step 5: Solve for x
    x = 5,505,814.17/2,794.37
  6. Step 6: Final answer
    x = 1,970.33

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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.