Home / 3,529.39-5,294.89-1,189.34

Finding the Fourth Proportional to 3,529.39, 5,294.89 and 1,189.34

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Solution

The fourth proportional to 3,529.39, 5,294.89 and 1,189.34 is: 1,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.39 : 5,294.89 = 1,189.34 : x
  2. Step 2: Convert to fraction form
    3,529.39/5,294.89 = 1,189.34/x
  3. Step 3: Cross multiply
    3,529.39x = 5,294.89 × 1,189.34
  4. Step 4: Simplify right side
    3,529.39x = 6,297,419.34
  5. Step 5: Solve for x
    x = 6,297,419.34/3,529.39
  6. Step 6: Final answer
    x = 1,784.28

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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.