Home / 2,310.21-3,192.17-1,711.85

Finding the Fourth Proportional to 2,310.21, 3,192.17 and 1,711.85

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Solution

The fourth proportional to 2,310.21, 3,192.17 and 1,711.85 is: 2,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.21 : 3,192.17 = 1,711.85 : x
  2. Step 2: Convert to fraction form
    2,310.21/3,192.17 = 1,711.85/x
  3. Step 3: Cross multiply
    2,310.21x = 3,192.17 × 1,711.85
  4. Step 4: Simplify right side
    2,310.21x = 5,464,491.69
  5. Step 5: Solve for x
    x = 5,464,491.69/2,310.21
  6. Step 6: Final answer
    x = 2,365.37

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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.