Home / 3,255.96-4,493.61-1,929.69

Finding the Fourth Proportional to 3,255.96, 4,493.61 and 1,929.69

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Solution

The fourth proportional to 3,255.96, 4,493.61 and 1,929.69 is: 2,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.96 : 4,493.61 = 1,929.69 : x
  2. Step 2: Convert to fraction form
    3,255.96/4,493.61 = 1,929.69/x
  3. Step 3: Cross multiply
    3,255.96x = 4,493.61 × 1,929.69
  4. Step 4: Simplify right side
    3,255.96x = 8,671,274.28
  5. Step 5: Solve for x
    x = 8,671,274.28/3,255.96
  6. Step 6: Final answer
    x = 2,663.20

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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.