Home / 3,243.65-4,477.30-2,404.09

Finding the Fourth Proportional to 3,243.65, 4,477.30 and 2,404.09

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Solution

The fourth proportional to 3,243.65, 4,477.30 and 2,404.09 is: 3,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.65 : 4,477.30 = 2,404.09 : x
  2. Step 2: Convert to fraction form
    3,243.65/4,477.30 = 2,404.09/x
  3. Step 3: Cross multiply
    3,243.65x = 4,477.30 × 2,404.09
  4. Step 4: Simplify right side
    3,243.65x = 10,763,814.95
  5. Step 5: Solve for x
    x = 10,763,814.95/3,243.65
  6. Step 6: Final answer
    x = 3,318.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.