Home / 1,869.34-2,579.69-1,083.85

Finding the Fourth Proportional to 1,869.34, 2,579.69 and 1,083.85

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Solution

The fourth proportional to 1,869.34, 2,579.69 and 1,083.85 is: 1,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.34 : 2,579.69 = 1,083.85 : x
  2. Step 2: Convert to fraction form
    1,869.34/2,579.69 = 1,083.85/x
  3. Step 3: Cross multiply
    1,869.34x = 2,579.69 × 1,083.85
  4. Step 4: Simplify right side
    1,869.34x = 2,795,997.01
  5. Step 5: Solve for x
    x = 2,795,997.01/1,869.34
  6. Step 6: Final answer
    x = 1,495.71

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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.