Home / 2,630.37-3,950.80-1,644.93

Finding the Fourth Proportional to 2,630.37, 3,950.80 and 1,644.93

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Solution

The fourth proportional to 2,630.37, 3,950.80 and 1,644.93 is: 2,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.37 : 3,950.80 = 1,644.93 : x
  2. Step 2: Convert to fraction form
    2,630.37/3,950.80 = 1,644.93/x
  3. Step 3: Cross multiply
    2,630.37x = 3,950.80 × 1,644.93
  4. Step 4: Simplify right side
    2,630.37x = 6,498,789.44
  5. Step 5: Solve for x
    x = 6,498,789.44/2,630.37
  6. Step 6: Final answer
    x = 2,470.68

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1.5x scale

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.