Home / 3,949.95-5,925.83-2,102.85

Finding the Fourth Proportional to 3,949.95, 5,925.83 and 2,102.85

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Solution

The fourth proportional to 3,949.95, 5,925.83 and 2,102.85 is: 3,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.95 : 5,925.83 = 2,102.85 : x
  2. Step 2: Convert to fraction form
    3,949.95/5,925.83 = 2,102.85/x
  3. Step 3: Cross multiply
    3,949.95x = 5,925.83 × 2,102.85
  4. Step 4: Simplify right side
    3,949.95x = 12,461,121.10
  5. Step 5: Solve for x
    x = 12,461,121.10/3,949.95
  6. Step 6: Final answer
    x = 3,154.75

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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.