Home / 3,021.03-4,531.95-1,289.25

Finding the Fourth Proportional to 3,021.03, 4,531.95 and 1,289.25

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Solution

The fourth proportional to 3,021.03, 4,531.95 and 1,289.25 is: 1,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.03 : 4,531.95 = 1,289.25 : x
  2. Step 2: Convert to fraction form
    3,021.03/4,531.95 = 1,289.25/x
  3. Step 3: Cross multiply
    3,021.03x = 4,531.95 × 1,289.25
  4. Step 4: Simplify right side
    3,021.03x = 5,842,816.54
  5. Step 5: Solve for x
    x = 5,842,816.54/3,021.03
  6. Step 6: Final answer
    x = 1,934.05

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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.