Home / 2,054.40-3,081.60-1,176.90

Finding the Fourth Proportional to 2,054.40, 3,081.60 and 1,176.90

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Solution

The fourth proportional to 2,054.40, 3,081.60 and 1,176.90 is: 1,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.40 : 3,081.60 = 1,176.90 : x
  2. Step 2: Convert to fraction form
    2,054.40/3,081.60 = 1,176.90/x
  3. Step 3: Cross multiply
    2,054.40x = 3,081.60 × 1,176.90
  4. Step 4: Simplify right side
    2,054.40x = 3,626,735.04
  5. Step 5: Solve for x
    x = 3,626,735.04/2,054.40
  6. Step 6: Final answer
    x = 1,765.35

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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.