Home / 2,731.43-4,095.93-1,271

Finding the Fourth Proportional to 2,731.43, 4,095.93 and 1,271

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Solution

The fourth proportional to 2,731.43, 4,095.93 and 1,271 is: 1,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.43 : 4,095.93 = 1,271 : x
  2. Step 2: Convert to fraction form
    2,731.43/4,095.93 = 1,271/x
  3. Step 3: Cross multiply
    2,731.43x = 4,095.93 × 1,271
  4. Step 4: Simplify right side
    2,731.43x = 5,205,927.03
  5. Step 5: Solve for x
    x = 5,205,927.03/2,731.43
  6. Step 6: Final answer
    x = 1,905.93

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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.