Home / 1,723.72-2,381.52-1,202.08

Finding the Fourth Proportional to 1,723.72, 2,381.52 and 1,202.08

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Solution

The fourth proportional to 1,723.72, 2,381.52 and 1,202.08 is: 1,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.72 : 2,381.52 = 1,202.08 : x
  2. Step 2: Convert to fraction form
    1,723.72/2,381.52 = 1,202.08/x
  3. Step 3: Cross multiply
    1,723.72x = 2,381.52 × 1,202.08
  4. Step 4: Simplify right side
    1,723.72x = 2,862,777.56
  5. Step 5: Solve for x
    x = 2,862,777.56/1,723.72
  6. Step 6: Final answer
    x = 1,660.81

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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.