Home / 3,137.11-4,678.25-2,748.92

Finding the Fourth Proportional to 3,137.11, 4,678.25 and 2,748.92

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Solution

The fourth proportional to 3,137.11, 4,678.25 and 2,748.92 is: 4,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.11 : 4,678.25 = 2,748.92 : x
  2. Step 2: Convert to fraction form
    3,137.11/4,678.25 = 2,748.92/x
  3. Step 3: Cross multiply
    3,137.11x = 4,678.25 × 2,748.92
  4. Step 4: Simplify right side
    3,137.11x = 12,860,097.85
  5. Step 5: Solve for x
    x = 12,860,097.85/3,137.11
  6. Step 6: Final answer
    x = 4,099.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.