Home / 2,180.59-3,268.65-1,398.33

Finding the Fourth Proportional to 2,180.59, 3,268.65 and 1,398.33

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Solution

The fourth proportional to 2,180.59, 3,268.65 and 1,398.33 is: 2,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.59 : 3,268.65 = 1,398.33 : x
  2. Step 2: Convert to fraction form
    2,180.59/3,268.65 = 1,398.33/x
  3. Step 3: Cross multiply
    2,180.59x = 3,268.65 × 1,398.33
  4. Step 4: Simplify right side
    2,180.59x = 4,570,656.60
  5. Step 5: Solve for x
    x = 4,570,656.60/2,180.59
  6. Step 6: Final answer
    x = 2,096.07

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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.