Home / 2,430.20-3,350.00-1,757.70

Finding the Fourth Proportional to 2,430.20, 3,350.00 and 1,757.70

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Solution

The fourth proportional to 2,430.20, 3,350.00 and 1,757.70 is: 2,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.20 : 3,350.00 = 1,757.70 : x
  2. Step 2: Convert to fraction form
    2,430.20/3,350.00 = 1,757.70/x
  3. Step 3: Cross multiply
    2,430.20x = 3,350.00 × 1,757.70
  4. Step 4: Simplify right side
    2,430.20x = 5,888,286.21
  5. Step 5: Solve for x
    x = 5,888,286.21/2,430.20
  6. Step 6: Final answer
    x = 2,422.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.