Home / 1,876.73-2,589.99-1,214.15

Finding the Fourth Proportional to 1,876.73, 2,589.99 and 1,214.15

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Solution

The fourth proportional to 1,876.73, 2,589.99 and 1,214.15 is: 1,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.73 : 2,589.99 = 1,214.15 : x
  2. Step 2: Convert to fraction form
    1,876.73/2,589.99 = 1,214.15/x
  3. Step 3: Cross multiply
    1,876.73x = 2,589.99 × 1,214.15
  4. Step 4: Simplify right side
    1,876.73x = 3,144,636.36
  5. Step 5: Solve for x
    x = 3,144,636.36/1,876.73
  6. Step 6: Final answer
    x = 1,675.59

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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.