Home / 3,464.25-4,780.87-1,972.23

Finding the Fourth Proportional to 3,464.25, 4,780.87 and 1,972.23

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Solution

The fourth proportional to 3,464.25, 4,780.87 and 1,972.23 is: 2,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.25 : 4,780.87 = 1,972.23 : x
  2. Step 2: Convert to fraction form
    3,464.25/4,780.87 = 1,972.23/x
  3. Step 3: Cross multiply
    3,464.25x = 4,780.87 × 1,972.23
  4. Step 4: Simplify right side
    3,464.25x = 9,428,975.24
  5. Step 5: Solve for x
    x = 9,428,975.24/3,464.25
  6. Step 6: Final answer
    x = 2,721.79

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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.