Home / 2,027.05-3,040.35-1,661.20

Finding the Fourth Proportional to 2,027.05, 3,040.35 and 1,661.20

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Solution

The fourth proportional to 2,027.05, 3,040.35 and 1,661.20 is: 2,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.05 : 3,040.35 = 1,661.20 : x
  2. Step 2: Convert to fraction form
    2,027.05/3,040.35 = 1,661.20/x
  3. Step 3: Cross multiply
    2,027.05x = 3,040.35 × 1,661.20
  4. Step 4: Simplify right side
    2,027.05x = 5,050,629.42
  5. Step 5: Solve for x
    x = 5,050,629.42/2,027.05
  6. Step 6: Final answer
    x = 2,491.62

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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.