Home / 2,924.45-4,387.44-1,281.32

Finding the Fourth Proportional to 2,924.45, 4,387.44 and 1,281.32

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Solution

The fourth proportional to 2,924.45, 4,387.44 and 1,281.32 is: 1,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.45 : 4,387.44 = 1,281.32 : x
  2. Step 2: Convert to fraction form
    2,924.45/4,387.44 = 1,281.32/x
  3. Step 3: Cross multiply
    2,924.45x = 4,387.44 × 1,281.32
  4. Step 4: Simplify right side
    2,924.45x = 5,621,714.62
  5. Step 5: Solve for x
    x = 5,621,714.62/2,924.45
  6. Step 6: Final answer
    x = 1,922.32

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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.