Home / 3,903.14-5,385.96-2,224.42

Finding the Fourth Proportional to 3,903.14, 5,385.96 and 2,224.42

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Solution

The fourth proportional to 3,903.14, 5,385.96 and 2,224.42 is: 3,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.14 : 5,385.96 = 2,224.42 : x
  2. Step 2: Convert to fraction form
    3,903.14/5,385.96 = 2,224.42/x
  3. Step 3: Cross multiply
    3,903.14x = 5,385.96 × 2,224.42
  4. Step 4: Simplify right side
    3,903.14x = 11,980,637.14
  5. Step 5: Solve for x
    x = 11,980,637.14/3,903.14
  6. Step 6: Final answer
    x = 3,069.49

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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.