Home / 1,717.80-2,575.62-1,102.74

Finding the Fourth Proportional to 1,717.80, 2,575.62 and 1,102.74

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Solution

The fourth proportional to 1,717.80, 2,575.62 and 1,102.74 is: 1,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.80 : 2,575.62 = 1,102.74 : x
  2. Step 2: Convert to fraction form
    1,717.80/2,575.62 = 1,102.74/x
  3. Step 3: Cross multiply
    1,717.80x = 2,575.62 × 1,102.74
  4. Step 4: Simplify right side
    1,717.80x = 2,840,239.20
  5. Step 5: Solve for x
    x = 2,840,239.20/1,717.80
  6. Step 6: Final answer
    x = 1,653.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.