Home / 3,219.66-4,826.70-1,246.67

Finding the Fourth Proportional to 3,219.66, 4,826.70 and 1,246.67

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Solution

The fourth proportional to 3,219.66, 4,826.70 and 1,246.67 is: 1,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.66 : 4,826.70 = 1,246.67 : x
  2. Step 2: Convert to fraction form
    3,219.66/4,826.70 = 1,246.67/x
  3. Step 3: Cross multiply
    3,219.66x = 4,826.70 × 1,246.67
  4. Step 4: Simplify right side
    3,219.66x = 6,017,277.96
  5. Step 5: Solve for x
    x = 6,017,277.96/3,219.66
  6. Step 6: Final answer
    x = 1,868.92

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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.