Home / 4,205.80-6,308.70-1,739.80

Finding the Fourth Proportional to 4,205.80, 6,308.70 and 1,739.80

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Solution

The fourth proportional to 4,205.80, 6,308.70 and 1,739.80 is: 2,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.80 : 6,308.70 = 1,739.80 : x
  2. Step 2: Convert to fraction form
    4,205.80/6,308.70 = 1,739.80/x
  3. Step 3: Cross multiply
    4,205.80x = 6,308.70 × 1,739.80
  4. Step 4: Simplify right side
    4,205.80x = 10,975,876.26
  5. Step 5: Solve for x
    x = 10,975,876.26/4,205.80
  6. Step 6: Final answer
    x = 2,609.70

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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.