Home / 2,288.44-3,429.72-1,038.12

Finding the Fourth Proportional to 2,288.44, 3,429.72 and 1,038.12

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Solution

The fourth proportional to 2,288.44, 3,429.72 and 1,038.12 is: 1,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.44 : 3,429.72 = 1,038.12 : x
  2. Step 2: Convert to fraction form
    2,288.44/3,429.72 = 1,038.12/x
  3. Step 3: Cross multiply
    2,288.44x = 3,429.72 × 1,038.12
  4. Step 4: Simplify right side
    2,288.44x = 3,560,460.93
  5. Step 5: Solve for x
    x = 3,560,460.93/2,288.44
  6. Step 6: Final answer
    x = 1,555.85

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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.