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Finding the Fourth Proportional to 3,208.58, 4,812.99 and 900.14

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Solution

The fourth proportional to 3,208.58, 4,812.99 and 900.14 is: 1,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.58 : 4,812.99 = 900.14 : x
  2. Step 2: Convert to fraction form
    3,208.58/4,812.99 = 900.14/x
  3. Step 3: Cross multiply
    3,208.58x = 4,812.99 × 900.14
  4. Step 4: Simplify right side
    3,208.58x = 4,332,364.82
  5. Step 5: Solve for x
    x = 4,332,364.82/3,208.58
  6. Step 6: Final answer
    x = 1,350.24

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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.