Home / 2,924.20-4,387.37-1,281.22

Finding the Fourth Proportional to 2,924.20, 4,387.37 and 1,281.22

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Solution

The fourth proportional to 2,924.20, 4,387.37 and 1,281.22 is: 1,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.20 : 4,387.37 = 1,281.22 : x
  2. Step 2: Convert to fraction form
    2,924.20/4,387.37 = 1,281.22/x
  3. Step 3: Cross multiply
    2,924.20x = 4,387.37 × 1,281.22
  4. Step 4: Simplify right side
    2,924.20x = 5,621,168.82
  5. Step 5: Solve for x
    x = 5,621,168.82/2,924.20
  6. Step 6: Final answer
    x = 1,922.29

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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.