Home / 2,813.49-4,219.83-1,644.03

Finding the Fourth Proportional to 2,813.49, 4,219.83 and 1,644.03

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Solution

The fourth proportional to 2,813.49, 4,219.83 and 1,644.03 is: 2,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.49 : 4,219.83 = 1,644.03 : x
  2. Step 2: Convert to fraction form
    2,813.49/4,219.83 = 1,644.03/x
  3. Step 3: Cross multiply
    2,813.49x = 4,219.83 × 1,644.03
  4. Step 4: Simplify right side
    2,813.49x = 6,937,527.11
  5. Step 5: Solve for x
    x = 6,937,527.11/2,813.49
  6. Step 6: Final answer
    x = 2,465.81

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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.