Home / 3,645.18-5,465.83-1,179.69

Finding the Fourth Proportional to 3,645.18, 5,465.83 and 1,179.69

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Solution

The fourth proportional to 3,645.18, 5,465.83 and 1,179.69 is: 1,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.18 : 5,465.83 = 1,179.69 : x
  2. Step 2: Convert to fraction form
    3,645.18/5,465.83 = 1,179.69/x
  3. Step 3: Cross multiply
    3,645.18x = 5,465.83 × 1,179.69
  4. Step 4: Simplify right side
    3,645.18x = 6,447,984.99
  5. Step 5: Solve for x
    x = 6,447,984.99/3,645.18
  6. Step 6: Final answer
    x = 1,768.91

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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.