Home / 1,289.14-1,933.63-364.82

Finding the Fourth Proportional to 1,289.14, 1,933.63 and 364.82

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Solution

The fourth proportional to 1,289.14, 1,933.63 and 364.82 is: 547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.14 : 1,933.63 = 364.82 : x
  2. Step 2: Convert to fraction form
    1,289.14/1,933.63 = 364.82/x
  3. Step 3: Cross multiply
    1,289.14x = 1,933.63 × 364.82
  4. Step 4: Simplify right side
    1,289.14x = 705,426.90
  5. Step 5: Solve for x
    x = 705,426.90/1,289.14
  6. Step 6: Final answer
    x = 547.21

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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.