Home / 1,739.92-2,609.72-441.40

Finding the Fourth Proportional to 1,739.92, 2,609.72 and 441.40

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Solution

The fourth proportional to 1,739.92, 2,609.72 and 441.40 is: 662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.92 : 2,609.72 = 441.40 : x
  2. Step 2: Convert to fraction form
    1,739.92/2,609.72 = 441.40/x
  3. Step 3: Cross multiply
    1,739.92x = 2,609.72 × 441.40
  4. Step 4: Simplify right side
    1,739.92x = 1,151,930.41
  5. Step 5: Solve for x
    x = 1,151,930.41/1,739.92
  6. Step 6: Final answer
    x = 662.06

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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.