Home / 3,783.30-5,221.63-2,292.49

Finding the Fourth Proportional to 3,783.30, 5,221.63 and 2,292.49

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Solution

The fourth proportional to 3,783.30, 5,221.63 and 2,292.49 is: 3,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.30 : 5,221.63 = 2,292.49 : x
  2. Step 2: Convert to fraction form
    3,783.30/5,221.63 = 2,292.49/x
  3. Step 3: Cross multiply
    3,783.30x = 5,221.63 × 2,292.49
  4. Step 4: Simplify right side
    3,783.30x = 11,970,534.56
  5. Step 5: Solve for x
    x = 11,970,534.56/3,783.30
  6. Step 6: Final answer
    x = 3,164.05

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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.