Home / 2,869.05-4,301.96-1,201.80

Finding the Fourth Proportional to 2,869.05, 4,301.96 and 1,201.80

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Solution

The fourth proportional to 2,869.05, 4,301.96 and 1,201.80 is: 1,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.05 : 4,301.96 = 1,201.80 : x
  2. Step 2: Convert to fraction form
    2,869.05/4,301.96 = 1,201.80/x
  3. Step 3: Cross multiply
    2,869.05x = 4,301.96 × 1,201.80
  4. Step 4: Simplify right side
    2,869.05x = 5,170,112.41
  5. Step 5: Solve for x
    x = 5,170,112.41/2,869.05
  6. Step 6: Final answer
    x = 1,802.03

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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.