Home / 3,558.82-5,336.88-1,708.78

Finding the Fourth Proportional to 3,558.82, 5,336.88 and 1,708.78

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Solution

The fourth proportional to 3,558.82, 5,336.88 and 1,708.78 is: 2,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.82 : 5,336.88 = 1,708.78 : x
  2. Step 2: Convert to fraction form
    3,558.82/5,336.88 = 1,708.78/x
  3. Step 3: Cross multiply
    3,558.82x = 5,336.88 × 1,708.78
  4. Step 4: Simplify right side
    3,558.82x = 9,119,553.81
  5. Step 5: Solve for x
    x = 9,119,553.81/3,558.82
  6. Step 6: Final answer
    x = 2,562.52

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1.5x scale

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.