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Finding the Fourth Proportional to 2,700.68, 4,051.96 and 852.08

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Solution

The fourth proportional to 2,700.68, 4,051.96 and 852.08 is: 1,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.68 : 4,051.96 = 852.08 : x
  2. Step 2: Convert to fraction form
    2,700.68/4,051.96 = 852.08/x
  3. Step 3: Cross multiply
    2,700.68x = 4,051.96 × 852.08
  4. Step 4: Simplify right side
    2,700.68x = 3,452,594.08
  5. Step 5: Solve for x
    x = 3,452,594.08/2,700.68
  6. Step 6: Final answer
    x = 1,278.42

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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.