Home / 3,559.80-5,338.32-1,709.92

Finding the Fourth Proportional to 3,559.80, 5,338.32 and 1,709.92

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Solution

The fourth proportional to 3,559.80, 5,338.32 and 1,709.92 is: 2,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.80 : 5,338.32 = 1,709.92 : x
  2. Step 2: Convert to fraction form
    3,559.80/5,338.32 = 1,709.92/x
  3. Step 3: Cross multiply
    3,559.80x = 5,338.32 × 1,709.92
  4. Step 4: Simplify right side
    3,559.80x = 9,128,100.13
  5. Step 5: Solve for x
    x = 9,128,100.13/3,559.80
  6. Step 6: Final answer
    x = 2,564.22

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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.