Home / 3,028.30-4,539.89-1,180.70

Finding the Fourth Proportional to 3,028.30, 4,539.89 and 1,180.70

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Solution

The fourth proportional to 3,028.30, 4,539.89 and 1,180.70 is: 1,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.30 : 4,539.89 = 1,180.70 : x
  2. Step 2: Convert to fraction form
    3,028.30/4,539.89 = 1,180.70/x
  3. Step 3: Cross multiply
    3,028.30x = 4,539.89 × 1,180.70
  4. Step 4: Simplify right side
    3,028.30x = 5,360,242.22
  5. Step 5: Solve for x
    x = 5,360,242.22/3,028.30
  6. Step 6: Final answer
    x = 1,770.05

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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.