Home / 2,719.51-4,077.64-1,843.09

Finding the Fourth Proportional to 2,719.51, 4,077.64 and 1,843.09

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Solution

The fourth proportional to 2,719.51, 4,077.64 and 1,843.09 is: 2,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.51 : 4,077.64 = 1,843.09 : x
  2. Step 2: Convert to fraction form
    2,719.51/4,077.64 = 1,843.09/x
  3. Step 3: Cross multiply
    2,719.51x = 4,077.64 × 1,843.09
  4. Step 4: Simplify right side
    2,719.51x = 7,515,457.51
  5. Step 5: Solve for x
    x = 7,515,457.51/2,719.51
  6. Step 6: Final answer
    x = 2,763.53

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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.