Home / 3,271.04-4,512.96-2,028.80

Finding the Fourth Proportional to 3,271.04, 4,512.96 and 2,028.80

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Solution

The fourth proportional to 3,271.04, 4,512.96 and 2,028.80 is: 2,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.04 : 4,512.96 = 2,028.80 : x
  2. Step 2: Convert to fraction form
    3,271.04/4,512.96 = 2,028.80/x
  3. Step 3: Cross multiply
    3,271.04x = 4,512.96 × 2,028.80
  4. Step 4: Simplify right side
    3,271.04x = 9,155,893.25
  5. Step 5: Solve for x
    x = 9,155,893.25/3,271.04
  6. Step 6: Final answer
    x = 2,799.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.