Home / 2,591.28-3,576-1,412.37

Finding the Fourth Proportional to 2,591.28, 3,576 and 1,412.37

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Solution

The fourth proportional to 2,591.28, 3,576 and 1,412.37 is: 1,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.28 : 3,576 = 1,412.37 : x
  2. Step 2: Convert to fraction form
    2,591.28/3,576 = 1,412.37/x
  3. Step 3: Cross multiply
    2,591.28x = 3,576 × 1,412.37
  4. Step 4: Simplify right side
    2,591.28x = 5,050,635.12
  5. Step 5: Solve for x
    x = 5,050,635.12/2,591.28
  6. Step 6: Final answer
    x = 1,949.09

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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.