Home / 1,869.92-2,580.35-1,083.82

Finding the Fourth Proportional to 1,869.92, 2,580.35 and 1,083.82

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Solution

The fourth proportional to 1,869.92, 2,580.35 and 1,083.82 is: 1,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.92 : 2,580.35 = 1,083.82 : x
  2. Step 2: Convert to fraction form
    1,869.92/2,580.35 = 1,083.82/x
  3. Step 3: Cross multiply
    1,869.92x = 2,580.35 × 1,083.82
  4. Step 4: Simplify right side
    1,869.92x = 2,796,634.94
  5. Step 5: Solve for x
    x = 2,796,634.94/1,869.92
  6. Step 6: Final answer
    x = 1,495.59

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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.