Home / 2,051.19-3,077.10-664.11

Finding the Fourth Proportional to 2,051.19, 3,077.10 and 664.11

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Solution

The fourth proportional to 2,051.19, 3,077.10 and 664.11 is: 996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.19 : 3,077.10 = 664.11 : x
  2. Step 2: Convert to fraction form
    2,051.19/3,077.10 = 664.11/x
  3. Step 3: Cross multiply
    2,051.19x = 3,077.10 × 664.11
  4. Step 4: Simplify right side
    2,051.19x = 2,043,532.88
  5. Step 5: Solve for x
    x = 2,043,532.88/2,051.19
  6. Step 6: Final answer
    x = 996.27

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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.