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Finding the Fourth Proportional to 2,852.88, 4,277.64 and 2,528.88

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Solution

The fourth proportional to 2,852.88, 4,277.64 and 2,528.88 is: 3,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.88 : 4,277.64 = 2,528.88 : x
  2. Step 2: Convert to fraction form
    2,852.88/4,277.64 = 2,528.88/x
  3. Step 3: Cross multiply
    2,852.88x = 4,277.64 × 2,528.88
  4. Step 4: Simplify right side
    2,852.88x = 10,817,638.24
  5. Step 5: Solve for x
    x = 10,817,638.24/2,852.88
  6. Step 6: Final answer
    x = 3,791.83

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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.