Home / 3,465.73-5,198.53-1,615.80

Finding the Fourth Proportional to 3,465.73, 5,198.53 and 1,615.80

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Solution

The fourth proportional to 3,465.73, 5,198.53 and 1,615.80 is: 2,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.73 : 5,198.53 = 1,615.80 : x
  2. Step 2: Convert to fraction form
    3,465.73/5,198.53 = 1,615.80/x
  3. Step 3: Cross multiply
    3,465.73x = 5,198.53 × 1,615.80
  4. Step 4: Simplify right side
    3,465.73x = 8,399,784.77
  5. Step 5: Solve for x
    x = 8,399,784.77/3,465.73
  6. Step 6: Final answer
    x = 2,423.67

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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.