Home / 2,743.20-3,795.46-2,394.90

Finding the Fourth Proportional to 2,743.20, 3,795.46 and 2,394.90

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Solution

The fourth proportional to 2,743.20, 3,795.46 and 2,394.90 is: 3,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.20 : 3,795.46 = 2,394.90 : x
  2. Step 2: Convert to fraction form
    2,743.20/3,795.46 = 2,394.90/x
  3. Step 3: Cross multiply
    2,743.20x = 3,795.46 × 2,394.90
  4. Step 4: Simplify right side
    2,743.20x = 9,089,741.17
  5. Step 5: Solve for x
    x = 9,089,741.17/2,743.20
  6. Step 6: Final answer
    x = 3,313.55

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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.