Home / 3,380.46-5,071.29-1,190.46

Finding the Fourth Proportional to 3,380.46, 5,071.29 and 1,190.46

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Solution

The fourth proportional to 3,380.46, 5,071.29 and 1,190.46 is: 1,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.46 : 5,071.29 = 1,190.46 : x
  2. Step 2: Convert to fraction form
    3,380.46/5,071.29 = 1,190.46/x
  3. Step 3: Cross multiply
    3,380.46x = 5,071.29 × 1,190.46
  4. Step 4: Simplify right side
    3,380.46x = 6,037,167.89
  5. Step 5: Solve for x
    x = 6,037,167.89/3,380.46
  6. Step 6: Final answer
    x = 1,785.90

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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.