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Finding the Fourth Proportional to 2,049.35, 3,072.75 and 880.10

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Solution

The fourth proportional to 2,049.35, 3,072.75 and 880.10 is: 1,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.35 : 3,072.75 = 880.10 : x
  2. Step 2: Convert to fraction form
    2,049.35/3,072.75 = 880.10/x
  3. Step 3: Cross multiply
    2,049.35x = 3,072.75 × 880.10
  4. Step 4: Simplify right side
    2,049.35x = 2,704,327.28
  5. Step 5: Solve for x
    x = 2,704,327.28/2,049.35
  6. Step 6: Final answer
    x = 1,319.60

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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.