Home / 1,739.85-2,609.76-441.31

Finding the Fourth Proportional to 1,739.85, 2,609.76 and 441.31

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Solution

The fourth proportional to 1,739.85, 2,609.76 and 441.31 is: 661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.85 : 2,609.76 = 441.31 : x
  2. Step 2: Convert to fraction form
    1,739.85/2,609.76 = 441.31/x
  3. Step 3: Cross multiply
    1,739.85x = 2,609.76 × 441.31
  4. Step 4: Simplify right side
    1,739.85x = 1,151,713.19
  5. Step 5: Solve for x
    x = 1,151,713.19/1,739.85
  6. Step 6: Final answer
    x = 661.96

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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.