Home / 3,036.87-4,557.12-1,089.21

Finding the Fourth Proportional to 3,036.87, 4,557.12 and 1,089.21

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Solution

The fourth proportional to 3,036.87, 4,557.12 and 1,089.21 is: 1,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.87 : 4,557.12 = 1,089.21 : x
  2. Step 2: Convert to fraction form
    3,036.87/4,557.12 = 1,089.21/x
  3. Step 3: Cross multiply
    3,036.87x = 4,557.12 × 1,089.21
  4. Step 4: Simplify right side
    3,036.87x = 4,963,660.68
  5. Step 5: Solve for x
    x = 4,963,660.68/3,036.87
  6. Step 6: Final answer
    x = 1,634.47

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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.