Home / 3,213.43-4,434.75-1,816.27

Finding the Fourth Proportional to 3,213.43, 4,434.75 and 1,816.27

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Solution

The fourth proportional to 3,213.43, 4,434.75 and 1,816.27 is: 2,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.43 : 4,434.75 = 1,816.27 : x
  2. Step 2: Convert to fraction form
    3,213.43/4,434.75 = 1,816.27/x
  3. Step 3: Cross multiply
    3,213.43x = 4,434.75 × 1,816.27
  4. Step 4: Simplify right side
    3,213.43x = 8,054,703.38
  5. Step 5: Solve for x
    x = 8,054,703.38/3,213.43
  6. Step 6: Final answer
    x = 2,506.58

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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.