Home / 2,923.84-4,379.34-2,103.70

Finding the Fourth Proportional to 2,923.84, 4,379.34 and 2,103.70

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Solution

The fourth proportional to 2,923.84, 4,379.34 and 2,103.70 is: 3,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.84 : 4,379.34 = 2,103.70 : x
  2. Step 2: Convert to fraction form
    2,923.84/4,379.34 = 2,103.70/x
  3. Step 3: Cross multiply
    2,923.84x = 4,379.34 × 2,103.70
  4. Step 4: Simplify right side
    2,923.84x = 9,212,817.56
  5. Step 5: Solve for x
    x = 9,212,817.56/2,923.84
  6. Step 6: Final answer
    x = 3,150.93

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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.