Home / 3,131.19-4,696.97-1,051.11

Finding the Fourth Proportional to 3,131.19, 4,696.97 and 1,051.11

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Solution

The fourth proportional to 3,131.19, 4,696.97 and 1,051.11 is: 1,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.19 : 4,696.97 = 1,051.11 : x
  2. Step 2: Convert to fraction form
    3,131.19/4,696.97 = 1,051.11/x
  3. Step 3: Cross multiply
    3,131.19x = 4,696.97 × 1,051.11
  4. Step 4: Simplify right side
    3,131.19x = 4,937,026.88
  5. Step 5: Solve for x
    x = 4,937,026.88/3,131.19
  6. Step 6: Final answer
    x = 1,576.73

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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.