Home / 1,628.39-2,244.97-1,103.51

Finding the Fourth Proportional to 1,628.39, 2,244.97 and 1,103.51

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Solution

The fourth proportional to 1,628.39, 2,244.97 and 1,103.51 is: 1,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.39 : 2,244.97 = 1,103.51 : x
  2. Step 2: Convert to fraction form
    1,628.39/2,244.97 = 1,103.51/x
  3. Step 3: Cross multiply
    1,628.39x = 2,244.97 × 1,103.51
  4. Step 4: Simplify right side
    1,628.39x = 2,477,346.84
  5. Step 5: Solve for x
    x = 2,477,346.84/1,628.39
  6. Step 6: Final answer
    x = 1,521.35

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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.