Home / 1,824.12-2,719.78-1,791.32

Finding the Fourth Proportional to 1,824.12, 2,719.78 and 1,791.32

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Solution

The fourth proportional to 1,824.12, 2,719.78 and 1,791.32 is: 2,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.12 : 2,719.78 = 1,791.32 : x
  2. Step 2: Convert to fraction form
    1,824.12/2,719.78 = 1,791.32/x
  3. Step 3: Cross multiply
    1,824.12x = 2,719.78 × 1,791.32
  4. Step 4: Simplify right side
    1,824.12x = 4,871,978.23
  5. Step 5: Solve for x
    x = 4,871,978.23/1,824.12
  6. Step 6: Final answer
    x = 2,670.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.