Home / 1,629.39-2,246.35-1,104.51

Finding the Fourth Proportional to 1,629.39, 2,246.35 and 1,104.51

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Solution

The fourth proportional to 1,629.39, 2,246.35 and 1,104.51 is: 1,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.39 : 2,246.35 = 1,104.51 : x
  2. Step 2: Convert to fraction form
    1,629.39/2,246.35 = 1,104.51/x
  3. Step 3: Cross multiply
    1,629.39x = 2,246.35 × 1,104.51
  4. Step 4: Simplify right side
    1,629.39x = 2,481,116.04
  5. Step 5: Solve for x
    x = 2,481,116.04/1,629.39
  6. Step 6: Final answer
    x = 1,522.73

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Double scale
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1.5x scale

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.