Home / 1,644.66-2,271.12-1,529.84

Finding the Fourth Proportional to 1,644.66, 2,271.12 and 1,529.84

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Solution

The fourth proportional to 1,644.66, 2,271.12 and 1,529.84 is: 2,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.66 : 2,271.12 = 1,529.84 : x
  2. Step 2: Convert to fraction form
    1,644.66/2,271.12 = 1,529.84/x
  3. Step 3: Cross multiply
    1,644.66x = 2,271.12 × 1,529.84
  4. Step 4: Simplify right side
    1,644.66x = 3,474,450.22
  5. Step 5: Solve for x
    x = 3,474,450.22/1,644.66
  6. Step 6: Final answer
    x = 2,112.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.