Home / 2,412.33-3,619.71-1,889.07

Finding the Fourth Proportional to 2,412.33, 3,619.71 and 1,889.07

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Solution

The fourth proportional to 2,412.33, 3,619.71 and 1,889.07 is: 2,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.33 : 3,619.71 = 1,889.07 : x
  2. Step 2: Convert to fraction form
    2,412.33/3,619.71 = 1,889.07/x
  3. Step 3: Cross multiply
    2,412.33x = 3,619.71 × 1,889.07
  4. Step 4: Simplify right side
    2,412.33x = 6,837,885.57
  5. Step 5: Solve for x
    x = 6,837,885.57/2,412.33
  6. Step 6: Final answer
    x = 2,834.56

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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.