Home / 3,428.61-5,137.52-2,650.51

Finding the Fourth Proportional to 3,428.61, 5,137.52 and 2,650.51

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Solution

The fourth proportional to 3,428.61, 5,137.52 and 2,650.51 is: 3,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.61 : 5,137.52 = 2,650.51 : x
  2. Step 2: Convert to fraction form
    3,428.61/5,137.52 = 2,650.51/x
  3. Step 3: Cross multiply
    3,428.61x = 5,137.52 × 2,650.51
  4. Step 4: Simplify right side
    3,428.61x = 13,617,048.14
  5. Step 5: Solve for x
    x = 13,617,048.14/3,428.61
  6. Step 6: Final answer
    x = 3,971.59

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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.