Home / 2,730.14-4,095.16-881.28

Finding the Fourth Proportional to 2,730.14, 4,095.16 and 881.28

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Solution

The fourth proportional to 2,730.14, 4,095.16 and 881.28 is: 1,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.14 : 4,095.16 = 881.28 : x
  2. Step 2: Convert to fraction form
    2,730.14/4,095.16 = 881.28/x
  3. Step 3: Cross multiply
    2,730.14x = 4,095.16 × 881.28
  4. Step 4: Simplify right side
    2,730.14x = 3,608,982.60
  5. Step 5: Solve for x
    x = 3,608,982.60/2,730.14
  6. Step 6: Final answer
    x = 1,321.90

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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.