Home / 3,681.34-5,517.99-1,808.52

Finding the Fourth Proportional to 3,681.34, 5,517.99 and 1,808.52

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Solution

The fourth proportional to 3,681.34, 5,517.99 and 1,808.52 is: 2,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.34 : 5,517.99 = 1,808.52 : x
  2. Step 2: Convert to fraction form
    3,681.34/5,517.99 = 1,808.52/x
  3. Step 3: Cross multiply
    3,681.34x = 5,517.99 × 1,808.52
  4. Step 4: Simplify right side
    3,681.34x = 9,979,358.64
  5. Step 5: Solve for x
    x = 9,979,358.64/3,681.34
  6. Step 6: Final answer
    x = 2,710.80

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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.