Home / 3,635.29-5,455.56-1,786.94

Finding the Fourth Proportional to 3,635.29, 5,455.56 and 1,786.94

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Solution

The fourth proportional to 3,635.29, 5,455.56 and 1,786.94 is: 2,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.29 : 5,455.56 = 1,786.94 : x
  2. Step 2: Convert to fraction form
    3,635.29/5,455.56 = 1,786.94/x
  3. Step 3: Cross multiply
    3,635.29x = 5,455.56 × 1,786.94
  4. Step 4: Simplify right side
    3,635.29x = 9,748,758.39
  5. Step 5: Solve for x
    x = 9,748,758.39/3,635.29
  6. Step 6: Final answer
    x = 2,681.70

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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.