Home / 2,056.60-3,087.30-1,179.80

Finding the Fourth Proportional to 2,056.60, 3,087.30 and 1,179.80

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Solution

The fourth proportional to 2,056.60, 3,087.30 and 1,179.80 is: 1,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.60 : 3,087.30 = 1,179.80 : x
  2. Step 2: Convert to fraction form
    2,056.60/3,087.30 = 1,179.80/x
  3. Step 3: Cross multiply
    2,056.60x = 3,087.30 × 1,179.80
  4. Step 4: Simplify right side
    2,056.60x = 3,642,396.54
  5. Step 5: Solve for x
    x = 3,642,396.54/2,056.60
  6. Step 6: Final answer
    x = 1,771.08

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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.