Home / 2,827.91-4,239.32-1,266.63

Finding the Fourth Proportional to 2,827.91, 4,239.32 and 1,266.63

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Solution

The fourth proportional to 2,827.91, 4,239.32 and 1,266.63 is: 1,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.91 : 4,239.32 = 1,266.63 : x
  2. Step 2: Convert to fraction form
    2,827.91/4,239.32 = 1,266.63/x
  3. Step 3: Cross multiply
    2,827.91x = 4,239.32 × 1,266.63
  4. Step 4: Simplify right side
    2,827.91x = 5,369,643.56
  5. Step 5: Solve for x
    x = 5,369,643.56/2,827.91
  6. Step 6: Final answer
    x = 1,898.81

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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.