Home / 1,837.50-2,540.55-1,755.90

Finding the Fourth Proportional to 1,837.50, 2,540.55 and 1,755.90

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Solution

The fourth proportional to 1,837.50, 2,540.55 and 1,755.90 is: 2,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.50 : 2,540.55 = 1,755.90 : x
  2. Step 2: Convert to fraction form
    1,837.50/2,540.55 = 1,755.90/x
  3. Step 3: Cross multiply
    1,837.50x = 2,540.55 × 1,755.90
  4. Step 4: Simplify right side
    1,837.50x = 4,460,951.75
  5. Step 5: Solve for x
    x = 4,460,951.75/1,837.50
  6. Step 6: Final answer
    x = 2,427.73

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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.