Home / 3,672.83-5,509.60-1,207.67

Finding the Fourth Proportional to 3,672.83, 5,509.60 and 1,207.67

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Solution

The fourth proportional to 3,672.83, 5,509.60 and 1,207.67 is: 1,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.83 : 5,509.60 = 1,207.67 : x
  2. Step 2: Convert to fraction form
    3,672.83/5,509.60 = 1,207.67/x
  3. Step 3: Cross multiply
    3,672.83x = 5,509.60 × 1,207.67
  4. Step 4: Simplify right side
    3,672.83x = 6,653,772.59
  5. Step 5: Solve for x
    x = 6,653,772.59/3,672.83
  6. Step 6: Final answer
    x = 1,811.62

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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.