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Finding the Fourth Proportional to 1,845.38, 2,765.02 and 1,654.83

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Solution

The fourth proportional to 1,845.38, 2,765.02 and 1,654.83 is: 2,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.38 : 2,765.02 = 1,654.83 : x
  2. Step 2: Convert to fraction form
    1,845.38/2,765.02 = 1,654.83/x
  3. Step 3: Cross multiply
    1,845.38x = 2,765.02 × 1,654.83
  4. Step 4: Simplify right side
    1,845.38x = 4,575,638.05
  5. Step 5: Solve for x
    x = 4,575,638.05/1,845.38
  6. Step 6: Final answer
    x = 2,479.51

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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.