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Finding the Fourth Proportional to 3,192.56, 4,788.84 and 2,758.40

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Solution

The fourth proportional to 3,192.56, 4,788.84 and 2,758.40 is: 4,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.56 : 4,788.84 = 2,758.40 : x
  2. Step 2: Convert to fraction form
    3,192.56/4,788.84 = 2,758.40/x
  3. Step 3: Cross multiply
    3,192.56x = 4,788.84 × 2,758.40
  4. Step 4: Simplify right side
    3,192.56x = 13,209,536.26
  5. Step 5: Solve for x
    x = 13,209,536.26/3,192.56
  6. Step 6: Final answer
    x = 4,137.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.