Home / 3,781.28-5,672.63-3,094.20

Finding the Fourth Proportional to 3,781.28, 5,672.63 and 3,094.20

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Solution

The fourth proportional to 3,781.28, 5,672.63 and 3,094.20 is: 4,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.28 : 5,672.63 = 3,094.20 : x
  2. Step 2: Convert to fraction form
    3,781.28/5,672.63 = 3,094.20/x
  3. Step 3: Cross multiply
    3,781.28x = 5,672.63 × 3,094.20
  4. Step 4: Simplify right side
    3,781.28x = 17,552,259.48
  5. Step 5: Solve for x
    x = 17,552,259.48/3,781.28
  6. Step 6: Final answer
    x = 4,641.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.