Home / 3,451.05-5,171.91-2,475

Finding the Fourth Proportional to 3,451.05, 5,171.91 and 2,475

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Solution

The fourth proportional to 3,451.05, 5,171.91 and 2,475 is: 3,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.05 : 5,171.91 = 2,475 : x
  2. Step 2: Convert to fraction form
    3,451.05/5,171.91 = 2,475/x
  3. Step 3: Cross multiply
    3,451.05x = 5,171.91 × 2,475
  4. Step 4: Simplify right side
    3,451.05x = 12,800,477.25
  5. Step 5: Solve for x
    x = 12,800,477.25/3,451.05
  6. Step 6: Final answer
    x = 3,709.15

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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.