Home / 2,730.11-4,098.80-1,270.28

Finding the Fourth Proportional to 2,730.11, 4,098.80 and 1,270.28

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Solution

The fourth proportional to 2,730.11, 4,098.80 and 1,270.28 is: 1,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.11 : 4,098.80 = 1,270.28 : x
  2. Step 2: Convert to fraction form
    2,730.11/4,098.80 = 1,270.28/x
  3. Step 3: Cross multiply
    2,730.11x = 4,098.80 × 1,270.28
  4. Step 4: Simplify right side
    2,730.11x = 5,206,637.09
  5. Step 5: Solve for x
    x = 5,206,637.09/2,730.11
  6. Step 6: Final answer
    x = 1,907.12

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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.