Home / 2,924.70-4,387.49-976.44

Finding the Fourth Proportional to 2,924.70, 4,387.49 and 976.44

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Solution

The fourth proportional to 2,924.70, 4,387.49 and 976.44 is: 1,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.70 : 4,387.49 = 976.44 : x
  2. Step 2: Convert to fraction form
    2,924.70/4,387.49 = 976.44/x
  3. Step 3: Cross multiply
    2,924.70x = 4,387.49 × 976.44
  4. Step 4: Simplify right side
    2,924.70x = 4,284,115.85
  5. Step 5: Solve for x
    x = 4,284,115.85/2,924.70
  6. Step 6: Final answer
    x = 1,464.81

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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.