Home / 2,730.55-4,091.20-2,628.01

Finding the Fourth Proportional to 2,730.55, 4,091.20 and 2,628.01

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Solution

The fourth proportional to 2,730.55, 4,091.20 and 2,628.01 is: 3,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.55 : 4,091.20 = 2,628.01 : x
  2. Step 2: Convert to fraction form
    2,730.55/4,091.20 = 2,628.01/x
  3. Step 3: Cross multiply
    2,730.55x = 4,091.20 × 2,628.01
  4. Step 4: Simplify right side
    2,730.55x = 10,751,714.51
  5. Step 5: Solve for x
    x = 10,751,714.51/2,730.55
  6. Step 6: Final answer
    x = 3,937.56

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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.