Home / 1,727.08-2,383.26-980.98

Finding the Fourth Proportional to 1,727.08, 2,383.26 and 980.98

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Solution

The fourth proportional to 1,727.08, 2,383.26 and 980.98 is: 1,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.08 : 2,383.26 = 980.98 : x
  2. Step 2: Convert to fraction form
    1,727.08/2,383.26 = 980.98/x
  3. Step 3: Cross multiply
    1,727.08x = 2,383.26 × 980.98
  4. Step 4: Simplify right side
    1,727.08x = 2,337,930.39
  5. Step 5: Solve for x
    x = 2,337,930.39/1,727.08
  6. Step 6: Final answer
    x = 1,353.69

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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.