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Finding the Fourth Proportional to 2,015.69, 3,023.53 and 554.85

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Solution

The fourth proportional to 2,015.69, 3,023.53 and 554.85 is: 832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.69 : 3,023.53 = 554.85 : x
  2. Step 2: Convert to fraction form
    2,015.69/3,023.53 = 554.85/x
  3. Step 3: Cross multiply
    2,015.69x = 3,023.53 × 554.85
  4. Step 4: Simplify right side
    2,015.69x = 1,677,604.23
  5. Step 5: Solve for x
    x = 1,677,604.23/2,015.69
  6. Step 6: Final answer
    x = 832.28

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Similar ratio
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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.