Home / 2,143.50-3,216.60-844.94

Finding the Fourth Proportional to 2,143.50, 3,216.60 and 844.94

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Solution

The fourth proportional to 2,143.50, 3,216.60 and 844.94 is: 1,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.50 : 3,216.60 = 844.94 : x
  2. Step 2: Convert to fraction form
    2,143.50/3,216.60 = 844.94/x
  3. Step 3: Cross multiply
    2,143.50x = 3,216.60 × 844.94
  4. Step 4: Simplify right side
    2,143.50x = 2,717,817.92
  5. Step 5: Solve for x
    x = 2,717,817.92/2,143.50
  6. Step 6: Final answer
    x = 1,267.93

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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.