Home / 3,903.27-5,385.97-2,224.35

Finding the Fourth Proportional to 3,903.27, 5,385.97 and 2,224.35

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Solution

The fourth proportional to 3,903.27, 5,385.97 and 2,224.35 is: 3,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.27 : 5,385.97 = 2,224.35 : x
  2. Step 2: Convert to fraction form
    3,903.27/5,385.97 = 2,224.35/x
  3. Step 3: Cross multiply
    3,903.27x = 5,385.97 × 2,224.35
  4. Step 4: Simplify right side
    3,903.27x = 11,980,282.37
  5. Step 5: Solve for x
    x = 11,980,282.37/3,903.27
  6. Step 6: Final answer
    x = 3,069.29

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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.