Home / 3,020.39-4,529.66-1,072.13

Finding the Fourth Proportional to 3,020.39, 4,529.66 and 1,072.13

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Solution

The fourth proportional to 3,020.39, 4,529.66 and 1,072.13 is: 1,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.39 : 4,529.66 = 1,072.13 : x
  2. Step 2: Convert to fraction form
    3,020.39/4,529.66 = 1,072.13/x
  3. Step 3: Cross multiply
    3,020.39x = 4,529.66 × 1,072.13
  4. Step 4: Simplify right side
    3,020.39x = 4,856,356.37
  5. Step 5: Solve for x
    x = 4,856,356.37/3,020.39
  6. Step 6: Final answer
    x = 1,607.86

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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.