Home / 3,278.30-4,513.61-3,054.74

Finding the Fourth Proportional to 3,278.30, 4,513.61 and 3,054.74

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Solution

The fourth proportional to 3,278.30, 4,513.61 and 3,054.74 is: 4,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.30 : 4,513.61 = 3,054.74 : x
  2. Step 2: Convert to fraction form
    3,278.30/4,513.61 = 3,054.74/x
  3. Step 3: Cross multiply
    3,278.30x = 4,513.61 × 3,054.74
  4. Step 4: Simplify right side
    3,278.30x = 13,787,889.74
  5. Step 5: Solve for x
    x = 13,787,889.74/3,278.30
  6. Step 6: Final answer
    x = 4,205.80

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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.