Home / 1,601.25-2,210.27-1,251.33

Finding the Fourth Proportional to 1,601.25, 2,210.27 and 1,251.33

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Solution

The fourth proportional to 1,601.25, 2,210.27 and 1,251.33 is: 1,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.25 : 2,210.27 = 1,251.33 : x
  2. Step 2: Convert to fraction form
    1,601.25/2,210.27 = 1,251.33/x
  3. Step 3: Cross multiply
    1,601.25x = 2,210.27 × 1,251.33
  4. Step 4: Simplify right side
    1,601.25x = 2,765,770.90
  5. Step 5: Solve for x
    x = 2,765,770.90/1,601.25
  6. Step 6: Final answer
    x = 1,727.26

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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.