Home / 3,468.88-4,786.84-1,977.16

Finding the Fourth Proportional to 3,468.88, 4,786.84 and 1,977.16

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Solution

The fourth proportional to 3,468.88, 4,786.84 and 1,977.16 is: 2,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.88 : 4,786.84 = 1,977.16 : x
  2. Step 2: Convert to fraction form
    3,468.88/4,786.84 = 1,977.16/x
  3. Step 3: Cross multiply
    3,468.88x = 4,786.84 × 1,977.16
  4. Step 4: Simplify right side
    3,468.88x = 9,464,348.57
  5. Step 5: Solve for x
    x = 9,464,348.57/3,468.88
  6. Step 6: Final answer
    x = 2,728.36

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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.