Home / 2,659.42-3,983.19-1,927.31

Finding the Fourth Proportional to 2,659.42, 3,983.19 and 1,927.31

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Solution

The fourth proportional to 2,659.42, 3,983.19 and 1,927.31 is: 2,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.42 : 3,983.19 = 1,927.31 : x
  2. Step 2: Convert to fraction form
    2,659.42/3,983.19 = 1,927.31/x
  3. Step 3: Cross multiply
    2,659.42x = 3,983.19 × 1,927.31
  4. Step 4: Simplify right side
    2,659.42x = 7,676,844.65
  5. Step 5: Solve for x
    x = 7,676,844.65/2,659.42
  6. Step 6: Final answer
    x = 2,886.66

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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.