Home / 3,021.04-4,531.40-829.60

Finding the Fourth Proportional to 3,021.04, 4,531.40 and 829.60

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Solution

The fourth proportional to 3,021.04, 4,531.40 and 829.60 is: 1,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.04 : 4,531.40 = 829.60 : x
  2. Step 2: Convert to fraction form
    3,021.04/4,531.40 = 829.60/x
  3. Step 3: Cross multiply
    3,021.04x = 4,531.40 × 829.60
  4. Step 4: Simplify right side
    3,021.04x = 3,759,249.44
  5. Step 5: Solve for x
    x = 3,759,249.44/3,021.04
  6. Step 6: Final answer
    x = 1,244.36

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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.