Home / 1,628.91-2,244.38-1,104.03

Finding the Fourth Proportional to 1,628.91, 2,244.38 and 1,104.03

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Solution

The fourth proportional to 1,628.91, 2,244.38 and 1,104.03 is: 1,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.91 : 2,244.38 = 1,104.03 : x
  2. Step 2: Convert to fraction form
    1,628.91/2,244.38 = 1,104.03/x
  3. Step 3: Cross multiply
    1,628.91x = 2,244.38 × 1,104.03
  4. Step 4: Simplify right side
    1,628.91x = 2,477,857.33
  5. Step 5: Solve for x
    x = 2,477,857.33/1,628.91
  6. Step 6: Final answer
    x = 1,521.18

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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.