Home / 3,179.50-4,770.08-1,205.14

Finding the Fourth Proportional to 3,179.50, 4,770.08 and 1,205.14

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Solution

The fourth proportional to 3,179.50, 4,770.08 and 1,205.14 is: 1,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.50 : 4,770.08 = 1,205.14 : x
  2. Step 2: Convert to fraction form
    3,179.50/4,770.08 = 1,205.14/x
  3. Step 3: Cross multiply
    3,179.50x = 4,770.08 × 1,205.14
  4. Step 4: Simplify right side
    3,179.50x = 5,748,614.21
  5. Step 5: Solve for x
    x = 5,748,614.21/3,179.50
  6. Step 6: Final answer
    x = 1,808.02

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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.