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Finding the Fourth Proportional to 2,133.59, 3,199.79 and 900.27

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Solution

The fourth proportional to 2,133.59, 3,199.79 and 900.27 is: 1,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.59 : 3,199.79 = 900.27 : x
  2. Step 2: Convert to fraction form
    2,133.59/3,199.79 = 900.27/x
  3. Step 3: Cross multiply
    2,133.59x = 3,199.79 × 900.27
  4. Step 4: Simplify right side
    2,133.59x = 2,880,670.44
  5. Step 5: Solve for x
    x = 2,880,670.44/2,133.59
  6. Step 6: Final answer
    x = 1,350.15

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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.