Home / 1,673.49-2,511.84-1,213.77

Finding the Fourth Proportional to 1,673.49, 2,511.84 and 1,213.77

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Solution

The fourth proportional to 1,673.49, 2,511.84 and 1,213.77 is: 1,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.49 : 2,511.84 = 1,213.77 : x
  2. Step 2: Convert to fraction form
    1,673.49/2,511.84 = 1,213.77/x
  3. Step 3: Cross multiply
    1,673.49x = 2,511.84 × 1,213.77
  4. Step 4: Simplify right side
    1,673.49x = 3,048,796.04
  5. Step 5: Solve for x
    x = 3,048,796.04/1,673.49
  6. Step 6: Final answer
    x = 1,821.82

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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.