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Finding the Fourth Proportional to 2,883.67, 4,325.60 and 803.70

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Solution

The fourth proportional to 2,883.67, 4,325.60 and 803.70 is: 1,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.67 : 4,325.60 = 803.70 : x
  2. Step 2: Convert to fraction form
    2,883.67/4,325.60 = 803.70/x
  3. Step 3: Cross multiply
    2,883.67x = 4,325.60 × 803.70
  4. Step 4: Simplify right side
    2,883.67x = 3,476,484.72
  5. Step 5: Solve for x
    x = 3,476,484.72/2,883.67
  6. Step 6: Final answer
    x = 1,205.58

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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.