Home / 2,732.08-4,097.20-1,910.76

Finding the Fourth Proportional to 2,732.08, 4,097.20 and 1,910.76

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Solution

The fourth proportional to 2,732.08, 4,097.20 and 1,910.76 is: 2,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.08 : 4,097.20 = 1,910.76 : x
  2. Step 2: Convert to fraction form
    2,732.08/4,097.20 = 1,910.76/x
  3. Step 3: Cross multiply
    2,732.08x = 4,097.20 × 1,910.76
  4. Step 4: Simplify right side
    2,732.08x = 7,828,765.87
  5. Step 5: Solve for x
    x = 7,828,765.87/2,732.08
  6. Step 6: Final answer
    x = 2,865.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.