Home / 2,331.71-3,502.20-1,396.46

Finding the Fourth Proportional to 2,331.71, 3,502.20 and 1,396.46

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Solution

The fourth proportional to 2,331.71, 3,502.20 and 1,396.46 is: 2,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.71 : 3,502.20 = 1,396.46 : x
  2. Step 2: Convert to fraction form
    2,331.71/3,502.20 = 1,396.46/x
  3. Step 3: Cross multiply
    2,331.71x = 3,502.20 × 1,396.46
  4. Step 4: Simplify right side
    2,331.71x = 4,890,682.21
  5. Step 5: Solve for x
    x = 4,890,682.21/2,331.71
  6. Step 6: Final answer
    x = 2,097.47

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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.