Home / 2,051.06-3,076.98-664.74

Finding the Fourth Proportional to 2,051.06, 3,076.98 and 664.74

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Solution

The fourth proportional to 2,051.06, 3,076.98 and 664.74 is: 997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.06 : 3,076.98 = 664.74 : x
  2. Step 2: Convert to fraction form
    2,051.06/3,076.98 = 664.74/x
  3. Step 3: Cross multiply
    2,051.06x = 3,076.98 × 664.74
  4. Step 4: Simplify right side
    2,051.06x = 2,045,391.69
  5. Step 5: Solve for x
    x = 2,045,391.69/2,051.06
  6. Step 6: Final answer
    x = 997.24

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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.