Home / 3,022.40-4,528.80-1,924.80

Finding the Fourth Proportional to 3,022.40, 4,528.80 and 1,924.80

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Solution

The fourth proportional to 3,022.40, 4,528.80 and 1,924.80 is: 2,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.40 : 4,528.80 = 1,924.80 : x
  2. Step 2: Convert to fraction form
    3,022.40/4,528.80 = 1,924.80/x
  3. Step 3: Cross multiply
    3,022.40x = 4,528.80 × 1,924.80
  4. Step 4: Simplify right side
    3,022.40x = 8,717,034.24
  5. Step 5: Solve for x
    x = 8,717,034.24/3,022.40
  6. Step 6: Final answer
    x = 2,884.14

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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.