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Finding the Fourth Proportional to 2,380.88, 3,573 and 1,064.96

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Solution

The fourth proportional to 2,380.88, 3,573 and 1,064.96 is: 1,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.88 : 3,573 = 1,064.96 : x
  2. Step 2: Convert to fraction form
    2,380.88/3,573 = 1,064.96/x
  3. Step 3: Cross multiply
    2,380.88x = 3,573 × 1,064.96
  4. Step 4: Simplify right side
    2,380.88x = 3,805,102.08
  5. Step 5: Solve for x
    x = 3,805,102.08/2,380.88
  6. Step 6: Final answer
    x = 1,598.19

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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.