Home / 3,621.58-5,433.52-1,619.96

Finding the Fourth Proportional to 3,621.58, 5,433.52 and 1,619.96

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Solution

The fourth proportional to 3,621.58, 5,433.52 and 1,619.96 is: 2,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.58 : 5,433.52 = 1,619.96 : x
  2. Step 2: Convert to fraction form
    3,621.58/5,433.52 = 1,619.96/x
  3. Step 3: Cross multiply
    3,621.58x = 5,433.52 × 1,619.96
  4. Step 4: Simplify right side
    3,621.58x = 8,802,085.06
  5. Step 5: Solve for x
    x = 8,802,085.06/3,621.58
  6. Step 6: Final answer
    x = 2,430.45

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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.