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Finding the Fourth Proportional to 2,872.86, 3,964.42 and 1,596.68

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Solution

The fourth proportional to 2,872.86, 3,964.42 and 1,596.68 is: 2,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.86 : 3,964.42 = 1,596.68 : x
  2. Step 2: Convert to fraction form
    2,872.86/3,964.42 = 1,596.68/x
  3. Step 3: Cross multiply
    2,872.86x = 3,964.42 × 1,596.68
  4. Step 4: Simplify right side
    2,872.86x = 6,329,916.04
  5. Step 5: Solve for x
    x = 6,329,916.04/2,872.86
  6. Step 6: Final answer
    x = 2,203.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.