Home / 2,054.60-3,084.30-1,177.80

Finding the Fourth Proportional to 2,054.60, 3,084.30 and 1,177.80

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Solution

The fourth proportional to 2,054.60, 3,084.30 and 1,177.80 is: 1,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.60 : 3,084.30 = 1,177.80 : x
  2. Step 2: Convert to fraction form
    2,054.60/3,084.30 = 1,177.80/x
  3. Step 3: Cross multiply
    2,054.60x = 3,084.30 × 1,177.80
  4. Step 4: Simplify right side
    2,054.60x = 3,632,688.54
  5. Step 5: Solve for x
    x = 3,632,688.54/2,054.60
  6. Step 6: Final answer
    x = 1,768.08

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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.