Home / 2,730.55-4,096.86-1,635.70

Finding the Fourth Proportional to 2,730.55, 4,096.86 and 1,635.70

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Solution

The fourth proportional to 2,730.55, 4,096.86 and 1,635.70 is: 2,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.55 : 4,096.86 = 1,635.70 : x
  2. Step 2: Convert to fraction form
    2,730.55/4,096.86 = 1,635.70/x
  3. Step 3: Cross multiply
    2,730.55x = 4,096.86 × 1,635.70
  4. Step 4: Simplify right side
    2,730.55x = 6,701,233.90
  5. Step 5: Solve for x
    x = 6,701,233.90/2,730.55
  6. Step 6: Final answer
    x = 2,454.17

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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.