Home / 3,219.29-4,827.76-1,462.80

Finding the Fourth Proportional to 3,219.29, 4,827.76 and 1,462.80

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Solution

The fourth proportional to 3,219.29, 4,827.76 and 1,462.80 is: 2,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.29 : 4,827.76 = 1,462.80 : x
  2. Step 2: Convert to fraction form
    3,219.29/4,827.76 = 1,462.80/x
  3. Step 3: Cross multiply
    3,219.29x = 4,827.76 × 1,462.80
  4. Step 4: Simplify right side
    3,219.29x = 7,062,043.67
  5. Step 5: Solve for x
    x = 7,062,043.67/3,219.29
  6. Step 6: Final answer
    x = 2,193.67

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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.