Home / 2,546.20-3,811.20-1,817.20

Finding the Fourth Proportional to 2,546.20, 3,811.20 and 1,817.20

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Solution

The fourth proportional to 2,546.20, 3,811.20 and 1,817.20 is: 2,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.20 : 3,811.20 = 1,817.20 : x
  2. Step 2: Convert to fraction form
    2,546.20/3,811.20 = 1,817.20/x
  3. Step 3: Cross multiply
    2,546.20x = 3,811.20 × 1,817.20
  4. Step 4: Simplify right side
    2,546.20x = 6,925,712.64
  5. Step 5: Solve for x
    x = 6,925,712.64/2,546.20
  6. Step 6: Final answer
    x = 2,720.02

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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.