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Finding the Fourth Proportional to 3,054.54, 4,581.78 and 946.14

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Solution

The fourth proportional to 3,054.54, 4,581.78 and 946.14 is: 1,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.54 : 4,581.78 = 946.14 : x
  2. Step 2: Convert to fraction form
    3,054.54/4,581.78 = 946.14/x
  3. Step 3: Cross multiply
    3,054.54x = 4,581.78 × 946.14
  4. Step 4: Simplify right side
    3,054.54x = 4,335,005.33
  5. Step 5: Solve for x
    x = 4,335,005.33/3,054.54
  6. Step 6: Final answer
    x = 1,419.20

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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.