Home / 3,046.40-4,555.20-2,268.80

Finding the Fourth Proportional to 3,046.40, 4,555.20 and 2,268.80

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Solution

The fourth proportional to 3,046.40, 4,555.20 and 2,268.80 is: 3,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.40 : 4,555.20 = 2,268.80 : x
  2. Step 2: Convert to fraction form
    3,046.40/4,555.20 = 2,268.80/x
  3. Step 3: Cross multiply
    3,046.40x = 4,555.20 × 2,268.80
  4. Step 4: Simplify right side
    3,046.40x = 10,334,837.76
  5. Step 5: Solve for x
    x = 10,334,837.76/3,046.40
  6. Step 6: Final answer
    x = 3,392.48

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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.