Home / 2,733.12-4,095.84-1,431.96

Finding the Fourth Proportional to 2,733.12, 4,095.84 and 1,431.96

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Solution

The fourth proportional to 2,733.12, 4,095.84 and 1,431.96 is: 2,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.12 : 4,095.84 = 1,431.96 : x
  2. Step 2: Convert to fraction form
    2,733.12/4,095.84 = 1,431.96/x
  3. Step 3: Cross multiply
    2,733.12x = 4,095.84 × 1,431.96
  4. Step 4: Simplify right side
    2,733.12x = 5,865,079.05
  5. Step 5: Solve for x
    x = 5,865,079.05/2,733.12
  6. Step 6: Final answer
    x = 2,145.93

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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.