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Finding the Fourth Proportional to 2,525.80, 3,787.62 and 794.56

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Solution

The fourth proportional to 2,525.80, 3,787.62 and 794.56 is: 1,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.80 : 3,787.62 = 794.56 : x
  2. Step 2: Convert to fraction form
    2,525.80/3,787.62 = 794.56/x
  3. Step 3: Cross multiply
    2,525.80x = 3,787.62 × 794.56
  4. Step 4: Simplify right side
    2,525.80x = 3,009,491.35
  5. Step 5: Solve for x
    x = 3,009,491.35/2,525.80
  6. Step 6: Final answer
    x = 1,191.50

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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.