Home / 1,805.58-2,489.85-1,765.35

Finding the Fourth Proportional to 1,805.58, 2,489.85 and 1,765.35

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Solution

The fourth proportional to 1,805.58, 2,489.85 and 1,765.35 is: 2,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.58 : 2,489.85 = 1,765.35 : x
  2. Step 2: Convert to fraction form
    1,805.58/2,489.85 = 1,765.35/x
  3. Step 3: Cross multiply
    1,805.58x = 2,489.85 × 1,765.35
  4. Step 4: Simplify right side
    1,805.58x = 4,395,456.70
  5. Step 5: Solve for x
    x = 4,395,456.70/1,805.58
  6. Step 6: Final answer
    x = 2,434.37

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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.