Home / 2,743.20-3,783.31-2,113.02

Finding the Fourth Proportional to 2,743.20, 3,783.31 and 2,113.02

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Solution

The fourth proportional to 2,743.20, 3,783.31 and 2,113.02 is: 2,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.20 : 3,783.31 = 2,113.02 : x
  2. Step 2: Convert to fraction form
    2,743.20/3,783.31 = 2,113.02/x
  3. Step 3: Cross multiply
    2,743.20x = 3,783.31 × 2,113.02
  4. Step 4: Simplify right side
    2,743.20x = 7,994,204.41
  5. Step 5: Solve for x
    x = 7,994,204.41/2,743.20
  6. Step 6: Final answer
    x = 2,914.19

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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.