Home / 3,089.05-4,634.75-1,857.31

Finding the Fourth Proportional to 3,089.05, 4,634.75 and 1,857.31

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Solution

The fourth proportional to 3,089.05, 4,634.75 and 1,857.31 is: 2,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.05 : 4,634.75 = 1,857.31 : x
  2. Step 2: Convert to fraction form
    3,089.05/4,634.75 = 1,857.31/x
  3. Step 3: Cross multiply
    3,089.05x = 4,634.75 × 1,857.31
  4. Step 4: Simplify right side
    3,089.05x = 8,608,167.52
  5. Step 5: Solve for x
    x = 8,608,167.52/3,089.05
  6. Step 6: Final answer
    x = 2,786.67

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1.5x scale

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.