Home / 3,555.82-5,332.38-1,705.78

Finding the Fourth Proportional to 3,555.82, 5,332.38 and 1,705.78

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Solution

The fourth proportional to 3,555.82, 5,332.38 and 1,705.78 is: 2,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.82 : 5,332.38 = 1,705.78 : x
  2. Step 2: Convert to fraction form
    3,555.82/5,332.38 = 1,705.78/x
  3. Step 3: Cross multiply
    3,555.82x = 5,332.38 × 1,705.78
  4. Step 4: Simplify right side
    3,555.82x = 9,095,867.16
  5. Step 5: Solve for x
    x = 9,095,867.16/3,555.82
  6. Step 6: Final answer
    x = 2,558.02

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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.