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Finding the Fourth Proportional to 2,007.68, 3,006.40 and 1,235.84

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Solution

The fourth proportional to 2,007.68, 3,006.40 and 1,235.84 is: 1,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.68 : 3,006.40 = 1,235.84 : x
  2. Step 2: Convert to fraction form
    2,007.68/3,006.40 = 1,235.84/x
  3. Step 3: Cross multiply
    2,007.68x = 3,006.40 × 1,235.84
  4. Step 4: Simplify right side
    2,007.68x = 3,715,429.38
  5. Step 5: Solve for x
    x = 3,715,429.38/2,007.68
  6. Step 6: Final answer
    x = 1,850.61

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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.