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Finding the Fourth Proportional to 2,169.52, 3,254.27 and 526.05

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Solution

The fourth proportional to 2,169.52, 3,254.27 and 526.05 is: 789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.52 : 3,254.27 = 526.05 : x
  2. Step 2: Convert to fraction form
    2,169.52/3,254.27 = 526.05/x
  3. Step 3: Cross multiply
    2,169.52x = 3,254.27 × 526.05
  4. Step 4: Simplify right side
    2,169.52x = 1,711,908.73
  5. Step 5: Solve for x
    x = 1,711,908.73/2,169.52
  6. Step 6: Final answer
    x = 789.07

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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.