Home / 3,020.09-4,185.54-2,973.98

Finding the Fourth Proportional to 3,020.09, 4,185.54 and 2,973.98

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Solution

The fourth proportional to 3,020.09, 4,185.54 and 2,973.98 is: 4,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.09 : 4,185.54 = 2,973.98 : x
  2. Step 2: Convert to fraction form
    3,020.09/4,185.54 = 2,973.98/x
  3. Step 3: Cross multiply
    3,020.09x = 4,185.54 × 2,973.98
  4. Step 4: Simplify right side
    3,020.09x = 12,447,722.71
  5. Step 5: Solve for x
    x = 12,447,722.71/3,020.09
  6. Step 6: Final answer
    x = 4,121.65

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.