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Finding the Fourth Proportional to 2,133.28, 3,200.08 and 573.32

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Solution

The fourth proportional to 2,133.28, 3,200.08 and 573.32 is: 860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.28 : 3,200.08 = 573.32 : x
  2. Step 2: Convert to fraction form
    2,133.28/3,200.08 = 573.32/x
  3. Step 3: Cross multiply
    2,133.28x = 3,200.08 × 573.32
  4. Step 4: Simplify right side
    2,133.28x = 1,834,669.87
  5. Step 5: Solve for x
    x = 1,834,669.87/2,133.28
  6. Step 6: Final answer
    x = 860.02

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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.