Home / 3,621.13-5,431.71-1,024.09

Finding the Fourth Proportional to 3,621.13, 5,431.71 and 1,024.09

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Solution

The fourth proportional to 3,621.13, 5,431.71 and 1,024.09 is: 1,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.13 : 5,431.71 = 1,024.09 : x
  2. Step 2: Convert to fraction form
    3,621.13/5,431.71 = 1,024.09/x
  3. Step 3: Cross multiply
    3,621.13x = 5,431.71 × 1,024.09
  4. Step 4: Simplify right side
    3,621.13x = 5,562,559.89
  5. Step 5: Solve for x
    x = 5,562,559.89/3,621.13
  6. Step 6: Final answer
    x = 1,536.14

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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.