Home / 3,559.13-5,339.43-1,219.31

Finding the Fourth Proportional to 3,559.13, 5,339.43 and 1,219.31

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Solution

The fourth proportional to 3,559.13, 5,339.43 and 1,219.31 is: 1,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.13 : 5,339.43 = 1,219.31 : x
  2. Step 2: Convert to fraction form
    3,559.13/5,339.43 = 1,219.31/x
  3. Step 3: Cross multiply
    3,559.13x = 5,339.43 × 1,219.31
  4. Step 4: Simplify right side
    3,559.13x = 6,510,420.39
  5. Step 5: Solve for x
    x = 6,510,420.39/3,559.13
  6. Step 6: Final answer
    x = 1,829.22

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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.