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Finding the Fourth Proportional to 2,089.28, 3,133.62 and 550.28

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Solution

The fourth proportional to 2,089.28, 3,133.62 and 550.28 is: 825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.28 : 3,133.62 = 550.28 : x
  2. Step 2: Convert to fraction form
    2,089.28/3,133.62 = 550.28/x
  3. Step 3: Cross multiply
    2,089.28x = 3,133.62 × 550.28
  4. Step 4: Simplify right side
    2,089.28x = 1,724,368.41
  5. Step 5: Solve for x
    x = 1,724,368.41/2,089.28
  6. Step 6: Final answer
    x = 825.34

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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.