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Finding the Fourth Proportional to 2,230.73, 3,078.92 and 1,484.72

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Solution

The fourth proportional to 2,230.73, 3,078.92 and 1,484.72 is: 2,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.73 : 3,078.92 = 1,484.72 : x
  2. Step 2: Convert to fraction form
    2,230.73/3,078.92 = 1,484.72/x
  3. Step 3: Cross multiply
    2,230.73x = 3,078.92 × 1,484.72
  4. Step 4: Simplify right side
    2,230.73x = 4,571,334.10
  5. Step 5: Solve for x
    x = 4,571,334.10/2,230.73
  6. Step 6: Final answer
    x = 2,049.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.