Home / 3,551.03-5,326.54-1,085.85

Finding the Fourth Proportional to 3,551.03, 5,326.54 and 1,085.85

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Solution

The fourth proportional to 3,551.03, 5,326.54 and 1,085.85 is: 1,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.03 : 5,326.54 = 1,085.85 : x
  2. Step 2: Convert to fraction form
    3,551.03/5,326.54 = 1,085.85/x
  3. Step 3: Cross multiply
    3,551.03x = 5,326.54 × 1,085.85
  4. Step 4: Simplify right side
    3,551.03x = 5,783,820.74
  5. Step 5: Solve for x
    x = 5,783,820.74/3,551.03
  6. Step 6: Final answer
    x = 1,628.77

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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.