Home / 1,628.45-2,245.14-1,037.96

Finding the Fourth Proportional to 1,628.45, 2,245.14 and 1,037.96

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Solution

The fourth proportional to 1,628.45, 2,245.14 and 1,037.96 is: 1,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.45 : 2,245.14 = 1,037.96 : x
  2. Step 2: Convert to fraction form
    1,628.45/2,245.14 = 1,037.96/x
  3. Step 3: Cross multiply
    1,628.45x = 2,245.14 × 1,037.96
  4. Step 4: Simplify right side
    1,628.45x = 2,330,354.29
  5. Step 5: Solve for x
    x = 2,330,354.29/1,628.45
  6. Step 6: Final answer
    x = 1,431.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.