Home / 2,730.15-4,095.78-881.37

Finding the Fourth Proportional to 2,730.15, 4,095.78 and 881.37

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Solution

The fourth proportional to 2,730.15, 4,095.78 and 881.37 is: 1,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.15 : 4,095.78 = 881.37 : x
  2. Step 2: Convert to fraction form
    2,730.15/4,095.78 = 881.37/x
  3. Step 3: Cross multiply
    2,730.15x = 4,095.78 × 881.37
  4. Step 4: Simplify right side
    2,730.15x = 3,609,897.62
  5. Step 5: Solve for x
    x = 3,609,897.62/2,730.15
  6. Step 6: Final answer
    x = 1,322.23

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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.