Home / 1,727.76-2,383.88-1,373.70

Finding the Fourth Proportional to 1,727.76, 2,383.88 and 1,373.70

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Solution

The fourth proportional to 1,727.76, 2,383.88 and 1,373.70 is: 1,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.76 : 2,383.88 = 1,373.70 : x
  2. Step 2: Convert to fraction form
    1,727.76/2,383.88 = 1,373.70/x
  3. Step 3: Cross multiply
    1,727.76x = 2,383.88 × 1,373.70
  4. Step 4: Simplify right side
    1,727.76x = 3,274,729.09
  5. Step 5: Solve for x
    x = 3,274,729.09/1,727.76
  6. Step 6: Final answer
    x = 1,895.36

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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.