Home / 3,104.76-4,278.96-2,516.70

Finding the Fourth Proportional to 3,104.76, 4,278.96 and 2,516.70

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Solution

The fourth proportional to 3,104.76, 4,278.96 and 2,516.70 is: 3,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.76 : 4,278.96 = 2,516.70 : x
  2. Step 2: Convert to fraction form
    3,104.76/4,278.96 = 2,516.70/x
  3. Step 3: Cross multiply
    3,104.76x = 4,278.96 × 2,516.70
  4. Step 4: Simplify right side
    3,104.76x = 10,768,858.63
  5. Step 5: Solve for x
    x = 10,768,858.63/3,104.76
  6. Step 6: Final answer
    x = 3,468.50

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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.