Home / 2,033.37-3,050.21-646.78

Finding the Fourth Proportional to 2,033.37, 3,050.21 and 646.78

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Solution

The fourth proportional to 2,033.37, 3,050.21 and 646.78 is: 970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.37 : 3,050.21 = 646.78 : x
  2. Step 2: Convert to fraction form
    2,033.37/3,050.21 = 646.78/x
  3. Step 3: Cross multiply
    2,033.37x = 3,050.21 × 646.78
  4. Step 4: Simplify right side
    2,033.37x = 1,972,814.82
  5. Step 5: Solve for x
    x = 1,972,814.82/2,033.37
  6. Step 6: Final answer
    x = 970.22

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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.