Home / 3,903.07-5,385.86-2,224.43

Finding the Fourth Proportional to 3,903.07, 5,385.86 and 2,224.43

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Solution

The fourth proportional to 3,903.07, 5,385.86 and 2,224.43 is: 3,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.07 : 5,385.86 = 2,224.43 : x
  2. Step 2: Convert to fraction form
    3,903.07/5,385.86 = 2,224.43/x
  3. Step 3: Cross multiply
    3,903.07x = 5,385.86 × 2,224.43
  4. Step 4: Simplify right side
    3,903.07x = 11,980,487.59
  5. Step 5: Solve for x
    x = 11,980,487.59/3,903.07
  6. Step 6: Final answer
    x = 3,069.51

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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.