Home / 1,289.26-1,933.98-467.20

Finding the Fourth Proportional to 1,289.26, 1,933.98 and 467.20

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Solution

The fourth proportional to 1,289.26, 1,933.98 and 467.20 is: 700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.26 : 1,933.98 = 467.20 : x
  2. Step 2: Convert to fraction form
    1,289.26/1,933.98 = 467.20/x
  3. Step 3: Cross multiply
    1,289.26x = 1,933.98 × 467.20
  4. Step 4: Simplify right side
    1,289.26x = 903,555.46
  5. Step 5: Solve for x
    x = 903,555.46/1,289.26
  6. Step 6: Final answer
    x = 700.83

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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.