Home / 1,628.11-2,245.56-1,097.56

Finding the Fourth Proportional to 1,628.11, 2,245.56 and 1,097.56

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Solution

The fourth proportional to 1,628.11, 2,245.56 and 1,097.56 is: 1,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.11 : 2,245.56 = 1,097.56 : x
  2. Step 2: Convert to fraction form
    1,628.11/2,245.56 = 1,097.56/x
  3. Step 3: Cross multiply
    1,628.11x = 2,245.56 × 1,097.56
  4. Step 4: Simplify right side
    1,628.11x = 2,464,636.83
  5. Step 5: Solve for x
    x = 2,464,636.83/1,628.11
  6. Step 6: Final answer
    x = 1,513.80

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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.