Home / 3,622.79-5,434.68-1,124.18

Finding the Fourth Proportional to 3,622.79, 5,434.68 and 1,124.18

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Solution

The fourth proportional to 3,622.79, 5,434.68 and 1,124.18 is: 1,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.79 : 5,434.68 = 1,124.18 : x
  2. Step 2: Convert to fraction form
    3,622.79/5,434.68 = 1,124.18/x
  3. Step 3: Cross multiply
    3,622.79x = 5,434.68 × 1,124.18
  4. Step 4: Simplify right side
    3,622.79x = 6,109,558.56
  5. Step 5: Solve for x
    x = 6,109,558.56/3,622.79
  6. Step 6: Final answer
    x = 1,686.42

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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.