Home / 2,305.08-3,180.42-1,360.60

Finding the Fourth Proportional to 2,305.08, 3,180.42 and 1,360.60

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Solution

The fourth proportional to 2,305.08, 3,180.42 and 1,360.60 is: 1,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.08 : 3,180.42 = 1,360.60 : x
  2. Step 2: Convert to fraction form
    2,305.08/3,180.42 = 1,360.60/x
  3. Step 3: Cross multiply
    2,305.08x = 3,180.42 × 1,360.60
  4. Step 4: Simplify right side
    2,305.08x = 4,327,279.45
  5. Step 5: Solve for x
    x = 4,327,279.45/2,305.08
  6. Step 6: Final answer
    x = 1,877.28

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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.