Home / 2,346.90-3,519.04-961.21

Finding the Fourth Proportional to 2,346.90, 3,519.04 and 961.21

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Solution

The fourth proportional to 2,346.90, 3,519.04 and 961.21 is: 1,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.90 : 3,519.04 = 961.21 : x
  2. Step 2: Convert to fraction form
    2,346.90/3,519.04 = 961.21/x
  3. Step 3: Cross multiply
    2,346.90x = 3,519.04 × 961.21
  4. Step 4: Simplify right side
    2,346.90x = 3,382,536.44
  5. Step 5: Solve for x
    x = 3,382,536.44/2,346.90
  6. Step 6: Final answer
    x = 1,441.28

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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.