Home / 2,144.03-3,220.00-1,283.63

Finding the Fourth Proportional to 2,144.03, 3,220.00 and 1,283.63

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Solution

The fourth proportional to 2,144.03, 3,220.00 and 1,283.63 is: 1,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.03 : 3,220.00 = 1,283.63 : x
  2. Step 2: Convert to fraction form
    2,144.03/3,220.00 = 1,283.63/x
  3. Step 3: Cross multiply
    2,144.03x = 3,220.00 × 1,283.63
  4. Step 4: Simplify right side
    2,144.03x = 4,133,269.29
  5. Step 5: Solve for x
    x = 4,133,269.29/2,144.03
  6. Step 6: Final answer
    x = 1,927.81

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1.5x scale

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.