Home / 2,162.10-3,241.53-864.48

Finding the Fourth Proportional to 2,162.10, 3,241.53 and 864.48

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Solution

The fourth proportional to 2,162.10, 3,241.53 and 864.48 is: 1,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.10 : 3,241.53 = 864.48 : x
  2. Step 2: Convert to fraction form
    2,162.10/3,241.53 = 864.48/x
  3. Step 3: Cross multiply
    2,162.10x = 3,241.53 × 864.48
  4. Step 4: Simplify right side
    2,162.10x = 2,802,237.85
  5. Step 5: Solve for x
    x = 2,802,237.85/2,162.10
  6. Step 6: Final answer
    x = 1,296.07

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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.