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Finding the Fourth Proportional to 3,072.60, 4,607.52 and 880.83

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Solution

The fourth proportional to 3,072.60, 4,607.52 and 880.83 is: 1,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.60 : 4,607.52 = 880.83 : x
  2. Step 2: Convert to fraction form
    3,072.60/4,607.52 = 880.83/x
  3. Step 3: Cross multiply
    3,072.60x = 4,607.52 × 880.83
  4. Step 4: Simplify right side
    3,072.60x = 4,058,441.84
  5. Step 5: Solve for x
    x = 4,058,441.84/3,072.60
  6. Step 6: Final answer
    x = 1,320.85

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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.