Home / 3,809.28-5,713.45-1,035.78

Finding the Fourth Proportional to 3,809.28, 5,713.45 and 1,035.78

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Solution

The fourth proportional to 3,809.28, 5,713.45 and 1,035.78 is: 1,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.28 : 5,713.45 = 1,035.78 : x
  2. Step 2: Convert to fraction form
    3,809.28/5,713.45 = 1,035.78/x
  3. Step 3: Cross multiply
    3,809.28x = 5,713.45 × 1,035.78
  4. Step 4: Simplify right side
    3,809.28x = 5,917,877.24
  5. Step 5: Solve for x
    x = 5,917,877.24/3,809.28
  6. Step 6: Final answer
    x = 1,553.54

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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.