Home / 2,308.45-3,463.70-1,212.55

Finding the Fourth Proportional to 2,308.45, 3,463.70 and 1,212.55

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Solution

The fourth proportional to 2,308.45, 3,463.70 and 1,212.55 is: 1,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.45 : 3,463.70 = 1,212.55 : x
  2. Step 2: Convert to fraction form
    2,308.45/3,463.70 = 1,212.55/x
  3. Step 3: Cross multiply
    2,308.45x = 3,463.70 × 1,212.55
  4. Step 4: Simplify right side
    2,308.45x = 4,199,909.44
  5. Step 5: Solve for x
    x = 4,199,909.44/2,308.45
  6. Step 6: Final answer
    x = 1,819.36

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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.