Home / 2,675.64-4,015.62-1,137.72

Finding the Fourth Proportional to 2,675.64, 4,015.62 and 1,137.72

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Solution

The fourth proportional to 2,675.64, 4,015.62 and 1,137.72 is: 1,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.64 : 4,015.62 = 1,137.72 : x
  2. Step 2: Convert to fraction form
    2,675.64/4,015.62 = 1,137.72/x
  3. Step 3: Cross multiply
    2,675.64x = 4,015.62 × 1,137.72
  4. Step 4: Simplify right side
    2,675.64x = 4,568,651.19
  5. Step 5: Solve for x
    x = 4,568,651.19/2,675.64
  6. Step 6: Final answer
    x = 1,707.50

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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.