Home / 3,559.16-5,338.82-1,219.15

Finding the Fourth Proportional to 3,559.16, 5,338.82 and 1,219.15

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Solution

The fourth proportional to 3,559.16, 5,338.82 and 1,219.15 is: 1,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.16 : 5,338.82 = 1,219.15 : x
  2. Step 2: Convert to fraction form
    3,559.16/5,338.82 = 1,219.15/x
  3. Step 3: Cross multiply
    3,559.16x = 5,338.82 × 1,219.15
  4. Step 4: Simplify right side
    3,559.16x = 6,508,801.38
  5. Step 5: Solve for x
    x = 6,508,801.38/3,559.16
  6. Step 6: Final answer
    x = 1,828.75

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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.