Home / 3,210.82-4,429.62-2,545

Finding the Fourth Proportional to 3,210.82, 4,429.62 and 2,545

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Solution

The fourth proportional to 3,210.82, 4,429.62 and 2,545 is: 3,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.82 : 4,429.62 = 2,545 : x
  2. Step 2: Convert to fraction form
    3,210.82/4,429.62 = 2,545/x
  3. Step 3: Cross multiply
    3,210.82x = 4,429.62 × 2,545
  4. Step 4: Simplify right side
    3,210.82x = 11,273,382.90
  5. Step 5: Solve for x
    x = 11,273,382.90/3,210.82
  6. Step 6: Final answer
    x = 3,511.06

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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.