Home / 1,228.28-1,835.31-1,033.88

Finding the Fourth Proportional to 1,228.28, 1,835.31 and 1,033.88

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Solution

The fourth proportional to 1,228.28, 1,835.31 and 1,033.88 is: 1,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.28 : 1,835.31 = 1,033.88 : x
  2. Step 2: Convert to fraction form
    1,228.28/1,835.31 = 1,033.88/x
  3. Step 3: Cross multiply
    1,228.28x = 1,835.31 × 1,033.88
  4. Step 4: Simplify right side
    1,228.28x = 1,897,485.00
  5. Step 5: Solve for x
    x = 1,897,485.00/1,228.28
  6. Step 6: Final answer
    x = 1,544.84

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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.