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Finding the Fourth Proportional to 2,525.32, 3,787.98 and 881.56

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Solution

The fourth proportional to 2,525.32, 3,787.98 and 881.56 is: 1,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.32 : 3,787.98 = 881.56 : x
  2. Step 2: Convert to fraction form
    2,525.32/3,787.98 = 881.56/x
  3. Step 3: Cross multiply
    2,525.32x = 3,787.98 × 881.56
  4. Step 4: Simplify right side
    2,525.32x = 3,339,331.65
  5. Step 5: Solve for x
    x = 3,339,331.65/2,525.32
  6. Step 6: Final answer
    x = 1,322.34

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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.