Home / 1,623.23-2,431.63-799.01

Finding the Fourth Proportional to 1,623.23, 2,431.63 and 799.01

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Solution

The fourth proportional to 1,623.23, 2,431.63 and 799.01 is: 1,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.23 : 2,431.63 = 799.01 : x
  2. Step 2: Convert to fraction form
    1,623.23/2,431.63 = 799.01/x
  3. Step 3: Cross multiply
    1,623.23x = 2,431.63 × 799.01
  4. Step 4: Simplify right side
    1,623.23x = 1,942,896.69
  5. Step 5: Solve for x
    x = 1,942,896.69/1,623.23
  6. Step 6: Final answer
    x = 1,196.93

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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.