Home / 3,269.19-4,907.31-1,322.67

Finding the Fourth Proportional to 3,269.19, 4,907.31 and 1,322.67

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Solution

The fourth proportional to 3,269.19, 4,907.31 and 1,322.67 is: 1,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.19 : 4,907.31 = 1,322.67 : x
  2. Step 2: Convert to fraction form
    3,269.19/4,907.31 = 1,322.67/x
  3. Step 3: Cross multiply
    3,269.19x = 4,907.31 × 1,322.67
  4. Step 4: Simplify right side
    3,269.19x = 6,490,751.72
  5. Step 5: Solve for x
    x = 6,490,751.72/3,269.19
  6. Step 6: Final answer
    x = 1,985.43

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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.