Home / 3,255.85-4,492.29-1,929.88

Finding the Fourth Proportional to 3,255.85, 4,492.29 and 1,929.88

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Solution

The fourth proportional to 3,255.85, 4,492.29 and 1,929.88 is: 2,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.85 : 4,492.29 = 1,929.88 : x
  2. Step 2: Convert to fraction form
    3,255.85/4,492.29 = 1,929.88/x
  3. Step 3: Cross multiply
    3,255.85x = 4,492.29 × 1,929.88
  4. Step 4: Simplify right side
    3,255.85x = 8,669,580.63
  5. Step 5: Solve for x
    x = 8,669,580.63/3,255.85
  6. Step 6: Final answer
    x = 2,662.77

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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.