Home / 3,315.94-4,974.21-1,584.56

Finding the Fourth Proportional to 3,315.94, 4,974.21 and 1,584.56

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Solution

The fourth proportional to 3,315.94, 4,974.21 and 1,584.56 is: 2,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.94 : 4,974.21 = 1,584.56 : x
  2. Step 2: Convert to fraction form
    3,315.94/4,974.21 = 1,584.56/x
  3. Step 3: Cross multiply
    3,315.94x = 4,974.21 × 1,584.56
  4. Step 4: Simplify right side
    3,315.94x = 7,881,946.63
  5. Step 5: Solve for x
    x = 7,881,946.63/3,315.94
  6. Step 6: Final answer
    x = 2,376.99

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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.