Home / 1,884.28-2,827.79-1,422.63

Finding the Fourth Proportional to 1,884.28, 2,827.79 and 1,422.63

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Solution

The fourth proportional to 1,884.28, 2,827.79 and 1,422.63 is: 2,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.28 : 2,827.79 = 1,422.63 : x
  2. Step 2: Convert to fraction form
    1,884.28/2,827.79 = 1,422.63/x
  3. Step 3: Cross multiply
    1,884.28x = 2,827.79 × 1,422.63
  4. Step 4: Simplify right side
    1,884.28x = 4,022,898.89
  5. Step 5: Solve for x
    x = 4,022,898.89/1,884.28
  6. Step 6: Final answer
    x = 2,134.98

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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.