Home / 4,212.90-5,813.82-2,324.45

Finding the Fourth Proportional to 4,212.90, 5,813.82 and 2,324.45

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Solution

The fourth proportional to 4,212.90, 5,813.82 and 2,324.45 is: 3,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.90 : 5,813.82 = 2,324.45 : x
  2. Step 2: Convert to fraction form
    4,212.90/5,813.82 = 2,324.45/x
  3. Step 3: Cross multiply
    4,212.90x = 5,813.82 × 2,324.45
  4. Step 4: Simplify right side
    4,212.90x = 13,513,933.90
  5. Step 5: Solve for x
    x = 13,513,933.90/4,212.90
  6. Step 6: Final answer
    x = 3,207.75

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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.