Home / 3,166.58-4,747.32-1,319.09

Finding the Fourth Proportional to 3,166.58, 4,747.32 and 1,319.09

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Solution

The fourth proportional to 3,166.58, 4,747.32 and 1,319.09 is: 1,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.58 : 4,747.32 = 1,319.09 : x
  2. Step 2: Convert to fraction form
    3,166.58/4,747.32 = 1,319.09/x
  3. Step 3: Cross multiply
    3,166.58x = 4,747.32 × 1,319.09
  4. Step 4: Simplify right side
    3,166.58x = 6,262,131.46
  5. Step 5: Solve for x
    x = 6,262,131.46/3,166.58
  6. Step 6: Final answer
    x = 1,977.57

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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.