Home / 1,727.10-2,383.70-1,018.90

Finding the Fourth Proportional to 1,727.10, 2,383.70 and 1,018.90

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Solution

The fourth proportional to 1,727.10, 2,383.70 and 1,018.90 is: 1,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.10 : 2,383.70 = 1,018.90 : x
  2. Step 2: Convert to fraction form
    1,727.10/2,383.70 = 1,018.90/x
  3. Step 3: Cross multiply
    1,727.10x = 2,383.70 × 1,018.90
  4. Step 4: Simplify right side
    1,727.10x = 2,428,751.93
  5. Step 5: Solve for x
    x = 2,428,751.93/1,727.10
  6. Step 6: Final answer
    x = 1,406.26

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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.