Home / 3,020.64-4,169.31-1,972.50

Finding the Fourth Proportional to 3,020.64, 4,169.31 and 1,972.50

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Solution

The fourth proportional to 3,020.64, 4,169.31 and 1,972.50 is: 2,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.64 : 4,169.31 = 1,972.50 : x
  2. Step 2: Convert to fraction form
    3,020.64/4,169.31 = 1,972.50/x
  3. Step 3: Cross multiply
    3,020.64x = 4,169.31 × 1,972.50
  4. Step 4: Simplify right side
    3,020.64x = 8,223,963.98
  5. Step 5: Solve for x
    x = 8,223,963.98/3,020.64
  6. Step 6: Final answer
    x = 2,722.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.