Home / 3,469.33-4,787.47-1,977.23

Finding the Fourth Proportional to 3,469.33, 4,787.47 and 1,977.23

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Solution

The fourth proportional to 3,469.33, 4,787.47 and 1,977.23 is: 2,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.33 : 4,787.47 = 1,977.23 : x
  2. Step 2: Convert to fraction form
    3,469.33/4,787.47 = 1,977.23/x
  3. Step 3: Cross multiply
    3,469.33x = 4,787.47 × 1,977.23
  4. Step 4: Simplify right side
    3,469.33x = 9,465,936.33
  5. Step 5: Solve for x
    x = 9,465,936.33/3,469.33
  6. Step 6: Final answer
    x = 2,728.46

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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.