Home / 3,459.84-5,189.35-961.22

Finding the Fourth Proportional to 3,459.84, 5,189.35 and 961.22

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Solution

The fourth proportional to 3,459.84, 5,189.35 and 961.22 is: 1,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.84 : 5,189.35 = 961.22 : x
  2. Step 2: Convert to fraction form
    3,459.84/5,189.35 = 961.22/x
  3. Step 3: Cross multiply
    3,459.84x = 5,189.35 × 961.22
  4. Step 4: Simplify right side
    3,459.84x = 4,988,094.24
  5. Step 5: Solve for x
    x = 4,988,094.24/3,459.84
  6. Step 6: Final answer
    x = 1,441.71

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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.