Home / 3,020.23-4,530.48-1,072.72

Finding the Fourth Proportional to 3,020.23, 4,530.48 and 1,072.72

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Solution

The fourth proportional to 3,020.23, 4,530.48 and 1,072.72 is: 1,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.23 : 4,530.48 = 1,072.72 : x
  2. Step 2: Convert to fraction form
    3,020.23/4,530.48 = 1,072.72/x
  3. Step 3: Cross multiply
    3,020.23x = 4,530.48 × 1,072.72
  4. Step 4: Simplify right side
    3,020.23x = 4,859,936.51
  5. Step 5: Solve for x
    x = 4,859,936.51/3,020.23
  6. Step 6: Final answer
    x = 1,609.13

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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.