Home / 2,180.09-3,008.54-1,340.93

Finding the Fourth Proportional to 2,180.09, 3,008.54 and 1,340.93

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Solution

The fourth proportional to 2,180.09, 3,008.54 and 1,340.93 is: 1,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.09 : 3,008.54 = 1,340.93 : x
  2. Step 2: Convert to fraction form
    2,180.09/3,008.54 = 1,340.93/x
  3. Step 3: Cross multiply
    2,180.09x = 3,008.54 × 1,340.93
  4. Step 4: Simplify right side
    2,180.09x = 4,034,241.54
  5. Step 5: Solve for x
    x = 4,034,241.54/2,180.09
  6. Step 6: Final answer
    x = 1,850.49

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1.5x scale

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.