Home / 2,157.77-3,233.95-923.73

Finding the Fourth Proportional to 2,157.77, 3,233.95 and 923.73

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Solution

The fourth proportional to 2,157.77, 3,233.95 and 923.73 is: 1,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.77 : 3,233.95 = 923.73 : x
  2. Step 2: Convert to fraction form
    2,157.77/3,233.95 = 923.73/x
  3. Step 3: Cross multiply
    2,157.77x = 3,233.95 × 923.73
  4. Step 4: Simplify right side
    2,157.77x = 2,987,292.01
  5. Step 5: Solve for x
    x = 2,987,292.01/2,157.77
  6. Step 6: Final answer
    x = 1,384.44

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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.