Home / 3,212.55-4,814.10-1,458.09

Finding the Fourth Proportional to 3,212.55, 4,814.10 and 1,458.09

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Solution

The fourth proportional to 3,212.55, 4,814.10 and 1,458.09 is: 2,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.55 : 4,814.10 = 1,458.09 : x
  2. Step 2: Convert to fraction form
    3,212.55/4,814.10 = 1,458.09/x
  3. Step 3: Cross multiply
    3,212.55x = 4,814.10 × 1,458.09
  4. Step 4: Simplify right side
    3,212.55x = 7,019,391.07
  5. Step 5: Solve for x
    x = 7,019,391.07/3,212.55
  6. Step 6: Final answer
    x = 2,184.99

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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.