Home / 2,319.85-3,474.18-1,329.67

Finding the Fourth Proportional to 2,319.85, 3,474.18 and 1,329.67

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Solution

The fourth proportional to 2,319.85, 3,474.18 and 1,329.67 is: 1,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.85 : 3,474.18 = 1,329.67 : x
  2. Step 2: Convert to fraction form
    2,319.85/3,474.18 = 1,329.67/x
  3. Step 3: Cross multiply
    2,319.85x = 3,474.18 × 1,329.67
  4. Step 4: Simplify right side
    2,319.85x = 4,619,512.92
  5. Step 5: Solve for x
    x = 4,619,512.92/2,319.85
  6. Step 6: Final answer
    x = 1,991.30

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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.