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Finding the Fourth Proportional to 3,007.44, 4,511.14 and 816.16

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Solution

The fourth proportional to 3,007.44, 4,511.14 and 816.16 is: 1,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.44 : 4,511.14 = 816.16 : x
  2. Step 2: Convert to fraction form
    3,007.44/4,511.14 = 816.16/x
  3. Step 3: Cross multiply
    3,007.44x = 4,511.14 × 816.16
  4. Step 4: Simplify right side
    3,007.44x = 3,681,812.02
  5. Step 5: Solve for x
    x = 3,681,812.02/3,007.44
  6. Step 6: Final answer
    x = 1,224.23

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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.