Home / 3,654.41-5,482.46-1,189.22

Finding the Fourth Proportional to 3,654.41, 5,482.46 and 1,189.22

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Solution

The fourth proportional to 3,654.41, 5,482.46 and 1,189.22 is: 1,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.41 : 5,482.46 = 1,189.22 : x
  2. Step 2: Convert to fraction form
    3,654.41/5,482.46 = 1,189.22/x
  3. Step 3: Cross multiply
    3,654.41x = 5,482.46 × 1,189.22
  4. Step 4: Simplify right side
    3,654.41x = 6,519,867.76
  5. Step 5: Solve for x
    x = 6,519,867.76/3,654.41
  6. Step 6: Final answer
    x = 1,784.11

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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.