Home / 3,967.88-5,953.76-2,805.35

Finding the Fourth Proportional to 3,967.88, 5,953.76 and 2,805.35

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Solution

The fourth proportional to 3,967.88, 5,953.76 and 2,805.35 is: 4,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.88 : 5,953.76 = 2,805.35 : x
  2. Step 2: Convert to fraction form
    3,967.88/5,953.76 = 2,805.35/x
  3. Step 3: Cross multiply
    3,967.88x = 5,953.76 × 2,805.35
  4. Step 4: Simplify right side
    3,967.88x = 16,702,336.82
  5. Step 5: Solve for x
    x = 16,702,336.82/3,967.88
  6. Step 6: Final answer
    x = 4,209.39

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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.