Home / 3,400.95-5,099.13-1,179.21

Finding the Fourth Proportional to 3,400.95, 5,099.13 and 1,179.21

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Solution

The fourth proportional to 3,400.95, 5,099.13 and 1,179.21 is: 1,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.95 : 5,099.13 = 1,179.21 : x
  2. Step 2: Convert to fraction form
    3,400.95/5,099.13 = 1,179.21/x
  3. Step 3: Cross multiply
    3,400.95x = 5,099.13 × 1,179.21
  4. Step 4: Simplify right side
    3,400.95x = 6,012,945.09
  5. Step 5: Solve for x
    x = 6,012,945.09/3,400.95
  6. Step 6: Final answer
    x = 1,768.02

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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.