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Finding the Fourth Proportional to 2,240.51, 3,361.68 and 1,007.09

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Solution

The fourth proportional to 2,240.51, 3,361.68 and 1,007.09 is: 1,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.51 : 3,361.68 = 1,007.09 : x
  2. Step 2: Convert to fraction form
    2,240.51/3,361.68 = 1,007.09/x
  3. Step 3: Cross multiply
    2,240.51x = 3,361.68 × 1,007.09
  4. Step 4: Simplify right side
    2,240.51x = 3,385,497.50
  5. Step 5: Solve for x
    x = 3,385,497.50/2,240.51
  6. Step 6: Final answer
    x = 1,511.04

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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.