Home / 2,731.64-4,095.72-1,271.24

Finding the Fourth Proportional to 2,731.64, 4,095.72 and 1,271.24

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Solution

The fourth proportional to 2,731.64, 4,095.72 and 1,271.24 is: 1,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.64 : 4,095.72 = 1,271.24 : x
  2. Step 2: Convert to fraction form
    2,731.64/4,095.72 = 1,271.24/x
  3. Step 3: Cross multiply
    2,731.64x = 4,095.72 × 1,271.24
  4. Step 4: Simplify right side
    2,731.64x = 5,206,643.09
  5. Step 5: Solve for x
    x = 5,206,643.09/2,731.64
  6. Step 6: Final answer
    x = 1,906.05

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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.