Home / 3,089.87-4,634.32-1,141.62

Finding the Fourth Proportional to 3,089.87, 4,634.32 and 1,141.62

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Solution

The fourth proportional to 3,089.87, 4,634.32 and 1,141.62 is: 1,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.87 : 4,634.32 = 1,141.62 : x
  2. Step 2: Convert to fraction form
    3,089.87/4,634.32 = 1,141.62/x
  3. Step 3: Cross multiply
    3,089.87x = 4,634.32 × 1,141.62
  4. Step 4: Simplify right side
    3,089.87x = 5,290,632.40
  5. Step 5: Solve for x
    x = 5,290,632.40/3,089.87
  6. Step 6: Final answer
    x = 1,712.25

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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.