Home / 2,541.75-3,812.06-1,291.08

Finding the Fourth Proportional to 2,541.75, 3,812.06 and 1,291.08

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Solution

The fourth proportional to 2,541.75, 3,812.06 and 1,291.08 is: 1,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.75 : 3,812.06 = 1,291.08 : x
  2. Step 2: Convert to fraction form
    2,541.75/3,812.06 = 1,291.08/x
  3. Step 3: Cross multiply
    2,541.75x = 3,812.06 × 1,291.08
  4. Step 4: Simplify right side
    2,541.75x = 4,921,667.97
  5. Step 5: Solve for x
    x = 4,921,667.97/2,541.75
  6. Step 6: Final answer
    x = 1,936.33

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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.