Home / 2,515.10-3,773.73-1,789.34

Finding the Fourth Proportional to 2,515.10, 3,773.73 and 1,789.34

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Solution

The fourth proportional to 2,515.10, 3,773.73 and 1,789.34 is: 2,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.10 : 3,773.73 = 1,789.34 : x
  2. Step 2: Convert to fraction form
    2,515.10/3,773.73 = 1,789.34/x
  3. Step 3: Cross multiply
    2,515.10x = 3,773.73 × 1,789.34
  4. Step 4: Simplify right side
    2,515.10x = 6,752,486.04
  5. Step 5: Solve for x
    x = 6,752,486.04/2,515.10
  6. Step 6: Final answer
    x = 2,684.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.