Home / 2,043.21-3,064.75-1,119.21

Finding the Fourth Proportional to 2,043.21, 3,064.75 and 1,119.21

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Solution

The fourth proportional to 2,043.21, 3,064.75 and 1,119.21 is: 1,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.21 : 3,064.75 = 1,119.21 : x
  2. Step 2: Convert to fraction form
    2,043.21/3,064.75 = 1,119.21/x
  3. Step 3: Cross multiply
    2,043.21x = 3,064.75 × 1,119.21
  4. Step 4: Simplify right side
    2,043.21x = 3,430,077.93
  5. Step 5: Solve for x
    x = 3,430,077.93/2,043.21
  6. Step 6: Final answer
    x = 1,678.77

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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.