Home / 3,207.82-4,812.23-1,358.95

Finding the Fourth Proportional to 3,207.82, 4,812.23 and 1,358.95

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Solution

The fourth proportional to 3,207.82, 4,812.23 and 1,358.95 is: 2,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.82 : 4,812.23 = 1,358.95 : x
  2. Step 2: Convert to fraction form
    3,207.82/4,812.23 = 1,358.95/x
  3. Step 3: Cross multiply
    3,207.82x = 4,812.23 × 1,358.95
  4. Step 4: Simplify right side
    3,207.82x = 6,539,579.96
  5. Step 5: Solve for x
    x = 6,539,579.96/3,207.82
  6. Step 6: Final answer
    x = 2,038.64

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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.