Home / 3,021.80-4,533.30-1,047.29

Finding the Fourth Proportional to 3,021.80, 4,533.30 and 1,047.29

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Solution

The fourth proportional to 3,021.80, 4,533.30 and 1,047.29 is: 1,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.80 : 4,533.30 = 1,047.29 : x
  2. Step 2: Convert to fraction form
    3,021.80/4,533.30 = 1,047.29/x
  3. Step 3: Cross multiply
    3,021.80x = 4,533.30 × 1,047.29
  4. Step 4: Simplify right side
    3,021.80x = 4,747,657.09
  5. Step 5: Solve for x
    x = 4,747,657.09/3,021.80
  6. Step 6: Final answer
    x = 1,571.14

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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.