Home / 1,727.05-2,383.64-1,018.85

Finding the Fourth Proportional to 1,727.05, 2,383.64 and 1,018.85

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Solution

The fourth proportional to 1,727.05, 2,383.64 and 1,018.85 is: 1,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.05 : 2,383.64 = 1,018.85 : x
  2. Step 2: Convert to fraction form
    1,727.05/2,383.64 = 1,018.85/x
  3. Step 3: Cross multiply
    1,727.05x = 2,383.64 × 1,018.85
  4. Step 4: Simplify right side
    1,727.05x = 2,428,569.07
  5. Step 5: Solve for x
    x = 2,428,569.07/1,727.05
  6. Step 6: Final answer
    x = 1,406.20

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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.