Home / 3,626.84-5,440.31-1,029.78

Finding the Fourth Proportional to 3,626.84, 5,440.31 and 1,029.78

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Solution

The fourth proportional to 3,626.84, 5,440.31 and 1,029.78 is: 1,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.84 : 5,440.31 = 1,029.78 : x
  2. Step 2: Convert to fraction form
    3,626.84/5,440.31 = 1,029.78/x
  3. Step 3: Cross multiply
    3,626.84x = 5,440.31 × 1,029.78
  4. Step 4: Simplify right side
    3,626.84x = 5,602,317.28
  5. Step 5: Solve for x
    x = 5,602,317.28/3,626.84
  6. Step 6: Final answer
    x = 1,544.68

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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.