Home / 1,832.21-2,747.64-1,284.11

Finding the Fourth Proportional to 1,832.21, 2,747.64 and 1,284.11

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Solution

The fourth proportional to 1,832.21, 2,747.64 and 1,284.11 is: 1,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.21 : 2,747.64 = 1,284.11 : x
  2. Step 2: Convert to fraction form
    1,832.21/2,747.64 = 1,284.11/x
  3. Step 3: Cross multiply
    1,832.21x = 2,747.64 × 1,284.11
  4. Step 4: Simplify right side
    1,832.21x = 3,528,272.00
  5. Step 5: Solve for x
    x = 3,528,272.00/1,832.21
  6. Step 6: Final answer
    x = 1,925.69

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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.