Home / 3,551.58-5,326.68-1,359.80

Finding the Fourth Proportional to 3,551.58, 5,326.68 and 1,359.80

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Solution

The fourth proportional to 3,551.58, 5,326.68 and 1,359.80 is: 2,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.58 : 5,326.68 = 1,359.80 : x
  2. Step 2: Convert to fraction form
    3,551.58/5,326.68 = 1,359.80/x
  3. Step 3: Cross multiply
    3,551.58x = 5,326.68 × 1,359.80
  4. Step 4: Simplify right side
    3,551.58x = 7,243,219.46
  5. Step 5: Solve for x
    x = 7,243,219.46/3,551.58
  6. Step 6: Final answer
    x = 2,039.44

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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.