Home / 2,040-3,050.66-1,520.36

Finding the Fourth Proportional to 2,040, 3,050.66 and 1,520.36

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Solution

The fourth proportional to 2,040, 3,050.66 and 1,520.36 is: 2,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040 : 3,050.66 = 1,520.36 : x
  2. Step 2: Convert to fraction form
    2,040/3,050.66 = 1,520.36/x
  3. Step 3: Cross multiply
    2,040x = 3,050.66 × 1,520.36
  4. Step 4: Simplify right side
    2,040x = 4,638,078.58
  5. Step 5: Solve for x
    x = 4,638,078.58/2,040
  6. Step 6: Final answer
    x = 2,273.57

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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.