Home / 2,742.79-4,104.61-2,243.43

Finding the Fourth Proportional to 2,742.79, 4,104.61 and 2,243.43

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Solution

The fourth proportional to 2,742.79, 4,104.61 and 2,243.43 is: 3,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.79 : 4,104.61 = 2,243.43 : x
  2. Step 2: Convert to fraction form
    2,742.79/4,104.61 = 2,243.43/x
  3. Step 3: Cross multiply
    2,742.79x = 4,104.61 × 2,243.43
  4. Step 4: Simplify right side
    2,742.79x = 9,208,405.21
  5. Step 5: Solve for x
    x = 9,208,405.21/2,742.79
  6. Step 6: Final answer
    x = 3,357.31

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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.