Home / 3,112.11-4,645.26-2,743.02

Finding the Fourth Proportional to 3,112.11, 4,645.26 and 2,743.02

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Solution

The fourth proportional to 3,112.11, 4,645.26 and 2,743.02 is: 4,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.11 : 4,645.26 = 2,743.02 : x
  2. Step 2: Convert to fraction form
    3,112.11/4,645.26 = 2,743.02/x
  3. Step 3: Cross multiply
    3,112.11x = 4,645.26 × 2,743.02
  4. Step 4: Simplify right side
    3,112.11x = 12,742,041.09
  5. Step 5: Solve for x
    x = 12,742,041.09/3,112.11
  6. Step 6: Final answer
    x = 4,094.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.