Home / 3,327.28-4,590.64-1,929.76

Finding the Fourth Proportional to 3,327.28, 4,590.64 and 1,929.76

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Solution

The fourth proportional to 3,327.28, 4,590.64 and 1,929.76 is: 2,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.28 : 4,590.64 = 1,929.76 : x
  2. Step 2: Convert to fraction form
    3,327.28/4,590.64 = 1,929.76/x
  3. Step 3: Cross multiply
    3,327.28x = 4,590.64 × 1,929.76
  4. Step 4: Simplify right side
    3,327.28x = 8,858,833.45
  5. Step 5: Solve for x
    x = 8,858,833.45/3,327.28
  6. Step 6: Final answer
    x = 2,662.49

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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.