Home / 3,086.87-4,260.21-1,760.69

Finding the Fourth Proportional to 3,086.87, 4,260.21 and 1,760.69

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Solution

The fourth proportional to 3,086.87, 4,260.21 and 1,760.69 is: 2,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.87 : 4,260.21 = 1,760.69 : x
  2. Step 2: Convert to fraction form
    3,086.87/4,260.21 = 1,760.69/x
  3. Step 3: Cross multiply
    3,086.87x = 4,260.21 × 1,760.69
  4. Step 4: Simplify right side
    3,086.87x = 7,500,909.14
  5. Step 5: Solve for x
    x = 7,500,909.14/3,086.87
  6. Step 6: Final answer
    x = 2,429.94

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1.5x scale

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.