Home / 3,464.43-4,780.38-1,972.27

Finding the Fourth Proportional to 3,464.43, 4,780.38 and 1,972.27

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Solution

The fourth proportional to 3,464.43, 4,780.38 and 1,972.27 is: 2,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.43 : 4,780.38 = 1,972.27 : x
  2. Step 2: Convert to fraction form
    3,464.43/4,780.38 = 1,972.27/x
  3. Step 3: Cross multiply
    3,464.43x = 4,780.38 × 1,972.27
  4. Step 4: Simplify right side
    3,464.43x = 9,428,200.06
  5. Step 5: Solve for x
    x = 9,428,200.06/3,464.43
  6. Step 6: Final answer
    x = 2,721.43

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1.5x scale

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.