Home / 3,380.22-5,070.15-1,189.17

Finding the Fourth Proportional to 3,380.22, 5,070.15 and 1,189.17

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Solution

The fourth proportional to 3,380.22, 5,070.15 and 1,189.17 is: 1,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.22 : 5,070.15 = 1,189.17 : x
  2. Step 2: Convert to fraction form
    3,380.22/5,070.15 = 1,189.17/x
  3. Step 3: Cross multiply
    3,380.22x = 5,070.15 × 1,189.17
  4. Step 4: Simplify right side
    3,380.22x = 6,029,270.28
  5. Step 5: Solve for x
    x = 6,029,270.28/3,380.22
  6. Step 6: Final answer
    x = 1,783.69

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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.