Home / 2,028.32-3,040.56-729.08

Finding the Fourth Proportional to 2,028.32, 3,040.56 and 729.08

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Solution

The fourth proportional to 2,028.32, 3,040.56 and 729.08 is: 1,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.32 : 3,040.56 = 729.08 : x
  2. Step 2: Convert to fraction form
    2,028.32/3,040.56 = 729.08/x
  3. Step 3: Cross multiply
    2,028.32x = 3,040.56 × 729.08
  4. Step 4: Simplify right side
    2,028.32x = 2,216,811.48
  5. Step 5: Solve for x
    x = 2,216,811.48/2,028.32
  6. Step 6: Final answer
    x = 1,092.93

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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.