Home / 3,137.14-4,323.72-2,775.04

Finding the Fourth Proportional to 3,137.14, 4,323.72 and 2,775.04

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Solution

The fourth proportional to 3,137.14, 4,323.72 and 2,775.04 is: 3,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.14 : 4,323.72 = 2,775.04 : x
  2. Step 2: Convert to fraction form
    3,137.14/4,323.72 = 2,775.04/x
  3. Step 3: Cross multiply
    3,137.14x = 4,323.72 × 2,775.04
  4. Step 4: Simplify right side
    3,137.14x = 11,998,495.95
  5. Step 5: Solve for x
    x = 11,998,495.95/3,137.14
  6. Step 6: Final answer
    x = 3,824.66

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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.