Home / 3,329.20-4,994.88-1,480.08

Finding the Fourth Proportional to 3,329.20, 4,994.88 and 1,480.08

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Solution

The fourth proportional to 3,329.20, 4,994.88 and 1,480.08 is: 2,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.20 : 4,994.88 = 1,480.08 : x
  2. Step 2: Convert to fraction form
    3,329.20/4,994.88 = 1,480.08/x
  3. Step 3: Cross multiply
    3,329.20x = 4,994.88 × 1,480.08
  4. Step 4: Simplify right side
    3,329.20x = 7,392,821.99
  5. Step 5: Solve for x
    x = 7,392,821.99/3,329.20
  6. Step 6: Final answer
    x = 2,220.60

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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.