Home / 3,556.56-5,332.79-1,705.15

Finding the Fourth Proportional to 3,556.56, 5,332.79 and 1,705.15

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Solution

The fourth proportional to 3,556.56, 5,332.79 and 1,705.15 is: 2,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.56 : 5,332.79 = 1,705.15 : x
  2. Step 2: Convert to fraction form
    3,556.56/5,332.79 = 1,705.15/x
  3. Step 3: Cross multiply
    3,556.56x = 5,332.79 × 1,705.15
  4. Step 4: Simplify right side
    3,556.56x = 9,093,208.21
  5. Step 5: Solve for x
    x = 9,093,208.21/3,556.56
  6. Step 6: Final answer
    x = 2,556.74

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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.