Home / 3,259.20-4,888.80-3,028.80

Finding the Fourth Proportional to 3,259.20, 4,888.80 and 3,028.80

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Solution

The fourth proportional to 3,259.20, 4,888.80 and 3,028.80 is: 4,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.20 : 4,888.80 = 3,028.80 : x
  2. Step 2: Convert to fraction form
    3,259.20/4,888.80 = 3,028.80/x
  3. Step 3: Cross multiply
    3,259.20x = 4,888.80 × 3,028.80
  4. Step 4: Simplify right side
    3,259.20x = 14,807,197.44
  5. Step 5: Solve for x
    x = 14,807,197.44/3,259.20
  6. Step 6: Final answer
    x = 4,543.20

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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.