Home / 1,844.19-2,762.64-1,431.09

Finding the Fourth Proportional to 1,844.19, 2,762.64 and 1,431.09

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Solution

The fourth proportional to 1,844.19, 2,762.64 and 1,431.09 is: 2,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.19 : 2,762.64 = 1,431.09 : x
  2. Step 2: Convert to fraction form
    1,844.19/2,762.64 = 1,431.09/x
  3. Step 3: Cross multiply
    1,844.19x = 2,762.64 × 1,431.09
  4. Step 4: Simplify right side
    1,844.19x = 3,953,586.48
  5. Step 5: Solve for x
    x = 3,953,586.48/1,844.19
  6. Step 6: Final answer
    x = 2,143.81

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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.