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Finding the Fourth Proportional to 2,524.79, 3,787.20 and 881.33

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Solution

The fourth proportional to 2,524.79, 3,787.20 and 881.33 is: 1,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.79 : 3,787.20 = 881.33 : x
  2. Step 2: Convert to fraction form
    2,524.79/3,787.20 = 881.33/x
  3. Step 3: Cross multiply
    2,524.79x = 3,787.20 × 881.33
  4. Step 4: Simplify right side
    2,524.79x = 3,337,772.98
  5. Step 5: Solve for x
    x = 3,337,772.98/2,524.79
  6. Step 6: Final answer
    x = 1,322.00

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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.