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Finding the Fourth Proportional to 1,825.03, 2,737.71 and 784.38

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Solution

The fourth proportional to 1,825.03, 2,737.71 and 784.38 is: 1,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.03 : 2,737.71 = 784.38 : x
  2. Step 2: Convert to fraction form
    1,825.03/2,737.71 = 784.38/x
  3. Step 3: Cross multiply
    1,825.03x = 2,737.71 × 784.38
  4. Step 4: Simplify right side
    1,825.03x = 2,147,404.97
  5. Step 5: Solve for x
    x = 2,147,404.97/1,825.03
  6. Step 6: Final answer
    x = 1,176.64

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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.