Home / 4,105.69-6,157.08-1,639.85

Finding the Fourth Proportional to 4,105.69, 6,157.08 and 1,639.85

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Solution

The fourth proportional to 4,105.69, 6,157.08 and 1,639.85 is: 2,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.69 : 6,157.08 = 1,639.85 : x
  2. Step 2: Convert to fraction form
    4,105.69/6,157.08 = 1,639.85/x
  3. Step 3: Cross multiply
    4,105.69x = 6,157.08 × 1,639.85
  4. Step 4: Simplify right side
    4,105.69x = 10,096,656.85
  5. Step 5: Solve for x
    x = 10,096,656.85/4,105.69
  6. Step 6: Final answer
    x = 2,459.19

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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.