Home / 1,876.62-2,589.66-1,090.61

Finding the Fourth Proportional to 1,876.62, 2,589.66 and 1,090.61

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Solution

The fourth proportional to 1,876.62, 2,589.66 and 1,090.61 is: 1,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.62 : 2,589.66 = 1,090.61 : x
  2. Step 2: Convert to fraction form
    1,876.62/2,589.66 = 1,090.61/x
  3. Step 3: Cross multiply
    1,876.62x = 2,589.66 × 1,090.61
  4. Step 4: Simplify right side
    1,876.62x = 2,824,296.14
  5. Step 5: Solve for x
    x = 2,824,296.14/1,876.62
  6. Step 6: Final answer
    x = 1,504.99

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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.