Home / 2,712.36-3,742.43-2,041.81

Finding the Fourth Proportional to 2,712.36, 3,742.43 and 2,041.81

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Solution

The fourth proportional to 2,712.36, 3,742.43 and 2,041.81 is: 2,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.36 : 3,742.43 = 2,041.81 : x
  2. Step 2: Convert to fraction form
    2,712.36/3,742.43 = 2,041.81/x
  3. Step 3: Cross multiply
    2,712.36x = 3,742.43 × 2,041.81
  4. Step 4: Simplify right side
    2,712.36x = 7,641,331.00
  5. Step 5: Solve for x
    x = 7,641,331.00/2,712.36
  6. Step 6: Final answer
    x = 2,817.23

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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.