Home / 3,255.24-4,492.19-1,929.57

Finding the Fourth Proportional to 3,255.24, 4,492.19 and 1,929.57

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Solution

The fourth proportional to 3,255.24, 4,492.19 and 1,929.57 is: 2,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.24 : 4,492.19 = 1,929.57 : x
  2. Step 2: Convert to fraction form
    3,255.24/4,492.19 = 1,929.57/x
  3. Step 3: Cross multiply
    3,255.24x = 4,492.19 × 1,929.57
  4. Step 4: Simplify right side
    3,255.24x = 8,667,995.06
  5. Step 5: Solve for x
    x = 8,667,995.06/3,255.24
  6. Step 6: Final answer
    x = 2,662.78

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1.5x scale

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.